1) percussion reversed drilling
冲击反循环钻凿
1.
A study on the percussion reversed drilling method;
冲击反循环钻凿方法应用研究
2) reverse-circulation percussion rig
反循环冲击钻机
1.
Some unresolved problems are put forward according to the using conditions of the domestic reverse-circulation percussion rigs, and the rig's percussion mechanism, "invalid percussion", the utility of hydraulic system and safety in production are discussed in this paper.
根据现有国产反循环冲击钻机目前的使用情况 ,提出了一些尚待解决的问题 ,针对这种钻机的冲击机构、“空打”、液压系统利用、安全生产等问题进行了讨论 ,并解决了其中的个别问题 ,提出了某些问题的解决途径。
3) percussion reverse circulation drill
冲击反循环钻机
1.
Some key technical problems in research and manufacture of CFZ-1500 percussion reverse circulation drill are discussed in this paper, including crank connecting rod clevel automatical percussion mechanism, forced balance of synchronous hoist system, reverse circulation system as well as percussion bit.
探讨了CFZ - 1 50 0型冲击反循环钻机研制中的几个关键技术问题 :采用曲柄摇杆自动冲击机构 ;采用潜水砂石泵实现反循环 ;采用同步卷筒解决 2根钢丝绳的受力平衡 ;采用棘轮式可旋转冲击反循环钻头。
4) reverse impact bouldery formation
反循环冲击钻进
5) percussive reverse drilling
冲击反循环钻进
1.
Recently the Guangxi First Geological Engineering Construction Company introduces the percussive reverse drilling method, and has made a great breakthrough.
最近 ,广西第一地质工程地质施工公司引进了冲击反循环钻进方法用于滑坡治理工作 ,取得重大突破。
6) CJF 20 percussion drill rig with reverse circulation
CJF-20冲击反循环钻机
补充资料：钻凿
1.犹言钻谋。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条