percussive machine drilling
基本解釋
- [能源科學技術]沖喚鉆眼
英漢例句
- Researches indicate that the new type of DTH hammer without drilling machine can make DTH hammer achieve percussive and rotary drilling using air compressor.
借鑒鑿巖機的轉釬機構，利用活塞的回程能量帶動鉆頭旋轉。
雙語例句
專業(yè)釋義
- 沖喚鉆眼