collapse of roof 中文意思是什麼

collapse of roof 解釋
頂板崩落
  • collapse : vi 1 (屋頂等)倒塌,塌下;(政府等)崩潰,瓦解。2 (價格等)暴跌;(計劃等)失敗;(身體、健康等...
  • of : OF =Old French 古法語。
  • roof : n 1 屋頂,房屋;家屋。2 (放行李的)車頂;笠形罩。3 上頜。4 最高部,頂部;【礦物】頂板。5 【航空...
  1. Observations indicate that breakup occurs not by collapse of the bubble roof but by the bottom being drawn up into the bubble.

    觀察指出破裂的發生不是由於氣泡頂部的崩潰,而是由於其底部被向上曳入氣泡。
  2. If explosives are used, vibrations will cause the roof of the mine to collapse.

    若是用炸藥,震動會使礦井的頂部倒塌。
  3. If explosives are used, vibrations will cause the roof of the mine to collapse

    如果用炸藥爆破,震動會引起礦頂塌落。
  4. The results of numerical analysis on mined - out area indicate that the roof at mined - out areas is unstable and the rock in the roof is easy to collapse in this mine

    數值分析結果表明:夾溝礦采空區的頂板是不穩定的,頂板巖體容易發生垮落事故。
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