英语口语问题 what should be the process to have a duplicate keys made 用英语回答的,大概四五句

英语口语问题 what should be the process to have a duplicate keys made 用英语回答的,大概四五句
英语口语问题 what should be the process to have a duplicate keys made 用英语回答的,大概四五句

英语口语问题 what should be the process to have a duplicate keys made 用英语回答的,大概四五句
First of all,you should know what his original model
Secondly,you should know the characteristics and surface
third you should have a similar model
Fourth,you can have a duplicate keys

1hear and see more think more practice
2usually accumulate some words and sentences
More than 3foreign language to communicate with people, much research
4 best is to read some English mat...

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1hear and see more think more practice
2usually accumulate some words and sentences
More than 3foreign language to communicate with people, much research
4 best is to read some English materials and video.
5the vocabulary memory time to grasp the inherent law, from simple to complex,
6you can see more of some English news, grammar books.
7their time to write some English diary. Starting from simple sentences. Gradually improve.
8listen to some English songs and watch some movies etc.+ http://zhidao.baidu.com/question/404113353.html?oldq=1 pp

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1It needs additional citations for verification. Tagged since September 2007.
2It may not represent a worldwide view of the subject. Tagged since January 2010.
3Its lead section may not adeq...

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1It needs additional citations for verification. Tagged since September 2007.
2It may not represent a worldwide view of the subject. Tagged since January 2010.
3Its lead section may not adequately summarize its contents.
4Please consider expanding the lead to provide an accessible overview of the article's key points.
5Key cutting (after cutting, the metalworking term for "shaping by removing material") is the primary method of key duplication: a flat key is fitted into a vise in a machine, with a blank attached to a parallel vise, and the original key is moved along a guide, while the blank is moved against a wheel, which cuts it. After cutting, the new key is deburred: scrubbed with a metal brush to remove burrs, small pieces of metal remaining on the key, which, were they not removed, would be dangerously sharp and, further, foul locks.
6Different key cutting machines are more or less automated, using different milling or grinding equipment, and follow the design of early 20th century key duplicators.
7Key duplication is available in many retail hardware stores and of course as a service of the specialized locksmith, though the correct key blank may not be available.
8Certain keys are designed to be difficult to copy, for key control, such as Medeco, while others are simply stamped Do Not Duplicate to advise that key control is requested, but in the US, this disclaimer has no legal weight.
9Rather than using a pattern grinder to remove metal, keys may also be duplicated with a punch machine. The key to be duplicated is measured for the depth of each notch with a gauge and then placed into a device with a numeric slider. The slider is adjusted to match the corresponding measured depth and a lever is depressed, which cuts the entire notch at once. As the lever is raised the key automatically advances to the next indexed position and the slider is adjusted appropriately to the next measured depth. This cycle is continued until the key is complete.
10Duplicating keys by this process is more labor intense and requires somewhat better trained personnel. However, keys made in this fashion have clean margins and the depth of the notches are not subject to wear induced changes encountered when heavily worn keys are duplicated using a pattern grinder. Keys may also be made in this fashion without an original as long as the depth of each notch and the type of key blank are known. This is particularly useful for institutions with a great number of locks for which they do not want to maintain a wide variety of archived copies.
11A machine permitting rapid duplication of flat metal keys, which contributed to the proliferation of their use during the 20th century, may have been first invented in the United States in 1917 (image to the left):
12“ The key to be duplicated is placed in one vise and the blank key to be cut in a corresponding vise under the cutting disk. The vise carriage is then into such position by means of a lateral-feed clutch that the shoulders of both the pattern and blank keys just touch the guide disk and cutter respectively. The lateral-feed clutch on the top of the machine is then thrown, and the vertical feed rod released into action and power applied through the combination hand-crank power wheel on the right of the machine, until the cutter has passed over the entire length at the blank. A duplicate of the pattern key is obtained in about one minute. ”
13In recent years, dual key cutting machines have come on to the market, enabling cutting of both mortice and cylinder keys on one machine. These machines are primarily manufactured in the Far East and save a key cutter a significant amount of money compared with using two separate dedicated machines.[16]
duplicate英音：['dju:plikit]美音：['djupləkɪt]

duplicate1
形容词 a.
1.完全一样的;复制的;副本的
He opened the door with a duplicate key.
他用一把复制的钥匙打开了门。
2.二重的;一对的;二倍的
3.【牌】复局的
名词 n.
1.完全一样的东西;复制品;副本[C]
Keep a duplicate of the letter.
保存一份信的副本。
2.【牌】复局
duplicate2
及物动词 vt.
1.复制;复写;影印,拷贝
All the members received duplicated notices of the meeting.
所有会员都接到同样的会议通知。
2.重复
3.使成双;使加倍

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