求救高手帮写英语作文4,环境类,500字左右Module 17Learning Activity 17:Mercury is a metal that is toxic to humans and most other life on earth.When the light in the engine room or trunk of a car is switched on or off it is sometimes oper
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求救高手帮写英语作文4,环境类,500字左右Module 17Learning Activity 17:Mercury is a metal that is toxic to humans and most other life on earth.When the light in the engine room or trunk of a car is switched on or off it is sometimes oper
求救高手帮写英语作文4,环境类,500字左右
Module 17
Learning Activity 17:Mercury is a metal that is toxic to humans and most other life on earth.When the light in the engine room or trunk of a car is switched on or off it is sometimes operated by a mercury switch.It is placed on the hood or trunk and switches the light on when it opens.
Can you think of other ways to turn on and off the light in the engine room and luggage compartment of a car?
What type of switch can be used instead of the mercury switch
求救高手帮写英语作文4,环境类,500字左右Module 17Learning Activity 17:Mercury is a metal that is toxic to humans and most other life on earth.When the light in the engine room or trunk of a car is switched on or off it is sometimes oper
答案:神仙能到的,
大哥，一分不给，不会有人花精力帮你写的，还需要500字