1)piston air drill,活塞式风动凿岩机2)piston drill,活塞式凿岩机3)piston drill,活塞凿岩机4)piston reciprocating rock drill,活塞往复式凿岩机5)Pneumatic rock drill,风动凿岩机6)air-track drill,风动履带式凿岩机
用法例句
The application of rockfill grouting technique instread of placed rockfill to diversion tunnel vault with simple equipment such as YTP-26 type pneumatic rock drill improves the load transfer conditons of lining wall,fulfilling quality requirements.
