For the ram compaction piles with composite bearing base, the speed of drawing pipe must be controlled, so as to avoid the gapping or the cut-off.是什么意思_For the ram compaction piles with composite bearing base, the speed of drawing pipe must be controlled, so as to avoid the gapping or the cut-off.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句