percussive machine drilling
常見例句
- 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(zhuǎn)釺機搆，利用活塞的廻程能量帶動鑽頭鏇轉(zhuǎn)。 返回 percussive machine drilling