Such as grain sheet rubber, it play the role of derrick and inflaming retarding.如有纹理的橡胶片, 这种材料可起到防滑、阻燃等功能.The hoisting capacity of that gin pole ( girder pole, guy derrick ) is sixty tons.那个起重抱杆 ( 格状抱杆 、 转盘抱杆 ) 的起重能力为60吨...
我们是知名制造铣床用之铣刀的厂商.We are manufacturer of cutters & accessories for milling machines.设计了用于油气田管道坡口切割的角度铣刀.The bevel milling cutter for cutting groove of oil casing - pipes was designed.铣刀 、 铰刀 、 拉刀和其它刀具.Grinding milling cut...