2) PDM
螺杆马达
1.
‘Three into One’ Drilling Tool Which Combined Wire Line Core,Hydro-hammer and PDM;
绳索取心、液动潜孔锤、螺杆马达“三合一”钻具
2.
The paper introduces technical specifications and structural concepts of newly developed "three-in-one" drilling tool(wire-line coring,hydro-hammer and PDM)and describes experiment of testing drilling hole and main borehole of CCSD.
介绍了研制成功的绳索取心、液动潜孔锤、螺杆马达三合一组合钻具的技术参数、结构原理及其在中国大陆科学钻探工程试验钻孔和主孔的试验情况。
3.
Based on the wire line coring, hydro-hammer, PDM drilling technology, "There into One" drilling tool was developed.
在绳索取心、液动潜孔锤、螺杆马达钻探技术的基础上,成功研制了“三合一”组合钻具,利用各自的优越性,形成新的组合钻探技术,在中国大陆科学钻探工程钻孔内试验取得了良好的技术效果,在主井5129。
4) piston-chain type actuator
活塞-螺杆式摆动马达
5) bottom of screw channel
螺槽底<螺杆>
补充资料：UR-9双螺杆式空气压缩机
UR-9双螺杆式空气压缩机
I甲之一9双螺杆式空气压缩机翻戳
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