A new method of explosive cutting discarded underwater oil well was explored.The hollow metal ball and the profiled punching bomb, in stead of traditional liner cutter, was applied in this new method.是什么意思_A new method of explosive cutting discarded underwater oil well was explored.The hollow metal ball and the profiled punching bomb, in stead of traditional liner cutter, was applied in this new method.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句