percussive machine drilling

基本解释

• [能源科學技術]沖喚鑽眼

英汉例句

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。

• percussive machine drilling更多例句

专业释义

能源科學技術

• 沖喚鑽眼