1) cored screw
空心螺杆<俗>
2) cored screw
空心螺杆
3) Building block hollow screw
积木式空心螺杆
4) Bolt
[英][bəʊlt] [美][bolt]
穿心螺杆
1.
The bolt was ruptured during assembly and the cause analysis of bolt fracture was carried out by means of macro-morphology of fracture surface and scanning electron microscope.
采用金相组织和扫描电镜显微对水轮发电机穿心螺杆在安装过程中产生断裂失效的原因进行分析,结果表明,在制造过程中由于存在轴向链状夹杂物和组织内应力产生轴向裂纹,安装后在受预紧、铁芯热膨胀力等作用下,轴向裂纹尖端应力集中横向发展导致了断裂失效。
5) air screw
空气螺杆
1.
The development process of borehole deviation control technology was reviewed,and the causes and harm of borehole deviation incontrollable were presented,and the air hammer drilling,air screw drilling,enlarging borehole and keeping full technology and auto-preventing deviation technology were discussed in this paper.
回顾了井斜控制技术的发展过程,总结了气体钻井井斜失控的原因及危害,探讨了空气锤钻井技术、空气螺杆钻井技术、扩眼保满防斜技术和自动防斜技术等气体钻井井斜控制新技术。
6) hollow screw
空心螺钉
1.
Treatment of femoral neck fracture with AO hollow screw;
AO空心螺钉内固定治疗股骨颈骨折
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