synthesize to adopt coal work是什么意思 synthesize to adopt coal work怎么读
synthesize to adopt coal work的相关资料
synthesize to adopt coal work的用法和样例
- The advance support of intake and return aircourse needs a lot of plate girders in the comprehensive mechanized coal mining face.
综采工作面的进回风巷超前支护要用很多板梁。
展开更多
