timbering例句
2024年06月14日 19:50:02
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.
The crane elevated the
timbering upto the upstairs.
起重机将建筑用材吊到楼上.
The Tonglu Mountain Copper Mine used an elaborate system of
timbering support the working areas.
铜绿山古矿井采用符合力学原理的木框架支护技术,框外用木棍、木板作护壁,组成完整安全的井筒.