roof fall 中文意思是什麼
roof fall
解釋
頂板崩落-
Analysis of geological cause of local roof - fall in coal face
採煤工作面局部冒頂的地質原因分析 -
Research on comprehensive control technique for heavy roof fall in weak mudstone drift
松軟泥巖巷道大冒頂綜合治理技術的研究 -
Study of repair and reinforcement technique for roadway roof - fall area in loose mudstone
松軟泥巖中巷道冒頂區修復加固技術的研究 -
Speediness construction technique in mud - rock roof fall district
泥石流冒頂區快速施工技術 -
The roof was beginning to fall in.
屋頂搖搖欲墜。 -
Are we waiting for the roof to fall on a kid to remember reality exists
知道屋頂掉下來傷到一個孩子我們才能正視現實嗎？ -
Just in time, we moved a tractor with a cable in that direction ; the tree began to fall, and as we pulled with the tractor, the tree descended approximately one centimeter past the corner of the roof
就在千鈞一發之際，我們啟動一臺拉著纜線的牽引機，按照師父指示的方向拉去，接著樹就開始倒下了。由於我們用牽引機拉動，這棵樹倒下時只從屋頂邊沿閃過，其間大約只有一公分之差！ -
Spraying urethane foam for blocking air leakage in the area of roadway roof fall in wangcun coal mine
王村礦煤巷高冒區聚氨酯泡沫堵漏風技術 -
Probing into gas control technique by high roof - fall roadway and highly - located bore - holes in working face of shangzhuang coal mine
尚莊煤礦回採工作面頂板高冒巷和高位鉆孔治理瓦斯技術探討 -
Probing into roof - fall law of room - and - pillar and heading - and - stall systems
房柱式和巷柱式採煤方法頂板冒落規律的探討 -
Roof fall mechanism analysis and preventive methods of compound roof
復合型頂板冒頂機理分析及預防措施 -
An analysis of the cause for face roof fall accidents and preventive countermeasures
工作面冒頂事故的原因分析和防範對策 -
Analysis of bolting with wire mesh technology from roof fall of letting gas drift
從排放瓦斯巷道冒頂事故分析錨網支護工藝 -
Preventing of thrust roof fall in mining along dip direction in condition of composite roof
復合頂板仰斜開采推垮型冒頂事故防治 -
Analysis on roof - fall cause in 131211 haulage roadway in yueliangtan mine
淺析月亮田礦131211運輸過巷冒頂的原因 -
Technical analysis and prevention of roadway roof - fall accident under conditions of complex roof
復合頂板條件下巷道冒頂事故技術分析及預防
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