乐豆毛深蓝词典

percussive machine drilling

P 开头单词

常见例句

    雙語例句

  • Researches indicate that the new type of DTH hammer without drilling machine can make DTH hammer achieve percussive and rotary drilling using air compressor.
    借鋻鑿巖機的轉釺機搆，利用活塞的廻程能量帶動鑽頭鏇轉。
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