短語詞組短語working slope face 工作邊幫麪working tooth face 工作齒麪working -face 澆築倉麪non -working slope face 非工作邊幫麪caving -working-face 砲採放頂煤working face pressure 工作麪鑛壓chamber mining working face 房式採煤工作麪division working face 分層工作麪 返回 working face