The company engages plastic product pouring , Hydroxybenzene product machining, punching product machining and machine machining etc.主要从事塑料产品注塑加工、酚酚产品加工 、 冲压产品加工、机械加工等.It is first method in entironment monitoring that vo...
She reached into the wardrobe and extracted another tracksuit.她伸手又从衣橱里取出一件运动服。The two policemen were joined by another policeman also carrying a pistol.另一名持枪警察和那两名警察会合了。The demand generated by one factory required the co...
The experimental results of Armco iron, copper, cermet and graphite are given.给出了Armco铁 、 铜 、 金属陶瓷和石墨的测试结果.Lead in cermet - based trimmer potentiometer elements.金属陶瓷质的微调电位器中的铅含量.The technology and property of nanometer c...