词源考究
词源不详,可能是来自吞咽东西的声音。
Lastly, the paper simulates bolt timbering of the laneway along the gob.
最后, 分析模拟了沿空巷道的锚杆支护情况.
来源:互联网摘选The gob machine hydraulic parallel design, the air pressure on the foot and lower stability.
本机采用空,油压并行设计, 空气压力足,下料稳定.
来源:互联网摘选It considered that the floor heave gob was the principal character of surrounding rock distortion.
得出底鼓是该类型巷道围岩变形的主要特征.
来源:互联网摘选Adopting advancing mining which is non-advance bottom gate and raserve gate along the gob.
这是单一突出煤层开采的新途径新工艺.
来源:互联网摘选
简答网 · 英语词汇

简答网 · 英语词汇

简答网 · 英语词汇

简答网 · 英语词汇

简答网 · 英语词汇

简答网 · 英语词汇