kevlar是什么意思

kevlar是什么意思 kevlar vest是什么意思 请问这句英文句子是什么意思?In Europe,only products that meet DuPont standards can carry the distinctive DuPont™ Kevlar® Power of Performance Technology label.最主要carry the distinctive DuPont™ Kevlar® Power of P Kevlar纤维合成反应式是什么? Kevlar和碳纤维的性能比较 ? CS的Kevlar射击点什么意思CS最早的测试版Beta 1.2中 增加的Kevlar射击点是什么? with Kevlar insert什么材料?自行车车架材料.求解各种材料名称并备注翻译 凯夫拉Kevlar纤维在手机上的运用我们主要生产用于手机外壳的凯夫拉Kevlar纤维片.有谁知道这种材质还可以在手机那方面得到运用? 英语翻译Soldiers wear more extensive clothing protected with Kevlar against heavier ammunition.讲防弹衣的···这句改怎么翻译?against的用法不是很清楚 Which one of the following is the most common reinforcing material in FRPs?A.Al2O3B.carbonC.cobaltD.graphiteE.Kevlar 49F.SiO2 英语翻译It is the ideal headstock of any total sizing (FSC for cotton or FSA for man made spun fibres) or beaming line,as well as the excellent beaming machine from creel for technical fibres (glass,kevlar,raffia). 老外的波纹管图纸上的材料要求：老外的波纹管材料要求如下：heat-protection fabricalpha maritex 3200-2-ssdouble sweeded with kevlar yarntempratura resistance to 400°C由于本人英语水平有限,而且老外是个德国人, 什么是液晶?Kevlar纤维是一种广泛使用的高分子液晶材料,请写出它的合成反应式,并分析其结构和性能的特谢谢楼下nic-nic-nic童鞋啦 请直接把那个什么大学高分子物理高分子化学教材的答案 what does have so much play mean?What does “you might not know if a push even registered” mean?The Kevlar-covered back on the device has a great soft-touch feel to it but the rest of the plastic case feels cheap and hollow.The buttons are also ma 同义词替换括号内词用选项替换1.they (span) the long distances between local phone systems as well as providing the backbone for many network systems.A.across B.override C.exceed D.get across2.A strength material which is a braided Kevlar 是什么意思 是什么意思? 是什么意思