描述说PBT,Glass filled Lumps,问有多少的Glass filled,却又说all unfilled PBT.还有怎样去验PBT里面有没有浸染其他的材料?

描述说PBT,Glass filled Lumps,问有多少的Glass filled,却又说all unfilled PBT.还有怎样去验PBT里面有没有浸染其他的材料? glass filled nylon是什么材质? the glass of the host who tasted the wine is filled glass是酒杯 Filled 我们科学课说要我们做一个PBT,我不知道PBT是什么东西? The girl filled the glass ___ tea .填一介词 是OF吗 glass glass glass GLASS flame resistant glass fiber filled diallyl phthalate什么意思MATERIAL:flame resistant glass fiber filled diallyl phthalate conforming to MIL-M-14,TYPE SDG-F求翻译啊.要用什么材料啊. Is the glass that is ()water yoursA full of B filled with C Aand B D covered with pBT是什么? PBT材料中加入玻璃纤维的目的是什么?请说具体点, 一英语习题the glass ___ water ( ) A:fill B:filled with C:full of D:is full of 该选择什么项?原因是 , Please ________ the box carefully.It is filled with glass.A.put down B.put on C.put off D.put together 定语从句里被动语态中的be是否可以省略?The glass filled with water is mine.转换成定语从句的话,请问下面两个选项哪个是正确的?有点忘记了,要不要省略be动词的.A.The glass which was filled with water is min 有没有关于PBT塑料方面的知识.还有它的改性,包括增强玻纤与阻燃方面的知识与信息?有关具体点的描述?