headgear sheave是什么意思 headgear sheave怎么读
headgear sheave的用法和样例
- The paper introduces in detail the material selection , machining technology and geometrical calculation of the lining for the groove of the headgear sheave.
详细介绍了矿井提升天轮槽衬的材料选用，加工工艺方案的设计及几何计算。
展开更多
