working face
短语词组
- working slope face 工作边帮面
- working tooth face 工作齿面
- working -face 浇筑仓面
- non -working slope face 非工作边帮面
- caving -working-face 炮采放顶煤
- working face pressure 工作面矿压
- chamber mining working face 房式采煤工作面
- division working face 分层工作面 返回 working face