a hammer driven by compressed air 同义词：jackhammer, pneumatic hammer,
例句与用法
1.
There are many large - size air hammers , blast furnaces and costing equipment including all sorts of heat treatment equipment , costing equipment including all sorts of heat treatment equipments 我们有大型空气锤多台，有足够的冶炼高炉铸造设施有淬火退火回火各种热处理设备。
2.
Refer to the damage problem to the motor of c41 - 400 air hammer caused by driving system fault , an acknowledged improvement that is adding a v - belt driving into the system has been promoted with failure situations occasionally because of irrational supporting structures 摘要针对c41 - 400型空气锤由于传动系统故障而导致电动机损坏的问题，通常的改进方案是增加一级v带传动，但由于对改造中的支承设计不合理而失败的情况也时有发生。
3.
In our company we have forging , costing and heat treatment workshops with advanced producing equipments . all the tasks which refused by the other companies will be done well here . there are many large - size air hammers , blast furnaces and costing equipment including all sorts of heats treatment equipment , costing equipment including all sorts of heat treatment equipments 我公司下属锻造铸造热处理加工厂各一座，有先进的生产设备，可以接收其它部门不愿承揽，甚至不敢承揽的艰巨任务，我们有大型的空气锤和高炉冶炼铸造设施和场地，有淬火退火回火各种热处理设备。
4.
The local directional drilling is just staring in terrane , the equipments and the technologies ca n ' t satisfy far and far the spot construction needs , according to current circumstance and considing the existed equipments , the author put forward drilling by air hammer in terrane , having designed compounded - drilling tools , and recommended technology parameters . producing experiments have obtained good achievements in economic and in techniques 国内定向钻进铺管技术在岩层只是刚刚起步，设备、工艺远远不能满足现场施工需要，本文针对国内、外岩层定向钻进非开挖设备及工艺现状，结合国内大多施工单位的已有设备，提出岩层空气潜孔锤导向钻进工法，设计了适合岩层钻进的实用钻具，并提出具有针对性的工艺参数，生产性试验取得了良好的经济技术指标。
您当前位置：