PP是一种半结晶性材料.PP is a semi crystalline material.PBT是一种通过浓缩成型而制备的,一种半结晶热塑性塑料.Polybutylene terephthalate ( PBT ) is a semicrystalline thermoplastic polymer formed by a condensation process....
压水室和叶轮的轴线不重合.Third , the pressurized water chamber and the impeller axis do not coincide.汽车散热器水室及模具制造.Description: Q . S . Control Corp ---- Radiator plastic tank , mould manufacturing.和其它泵一样, 叶轮 、 压水室 、 是污水泵的两大核心部件.And ...
这对你没(有)坏处.It will do you no harm.这种情形也有坏处,因为这就是他们以令人可怕的浪费速度,把他们相互的爱消耗.It had the disadvantage of consuming their mutual affections at a fearfully prodigal rate.缺乏睡眠对身体有坏处.It's bad for you not to get enough sleep....