excavation face design 采煤工作面设计
excavation face support 掘进工作面支护
effect of excavation face 开挖面效应
pressure of excavation face 掘进面压力
excavation face space effect 开挖面空间效应
fully mechanized excavation face 综掘工作面
stability mechanics of excavation face 开挖面稳定机理
face excavation 断面开挖
Stability of excavation face is a key problem to shield tunnel construction technology.
开挖面的稳定性是盾构隧道施工技术的关键。
Temporary supporting is a requisite working procedure for bolting work in full mechanized roadway excavation face.
综掘巷道采用锚杆支护时，临时支护是必不可少的一道工序。
The pressure balance control between the chamber and the ground at the excavation face is the key for tunneling safely and efficiently.
密封舱压力的设置和控制直接关系到开挖地层的稳定、刀盘刀具的磨损和盾构掘进效率。
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