1) insulated bolt
绝缘螺栓
1.
Four new safety protection methods in fire work utilized in construction,installation and maintain of oil production plants invented by technicians were introduced,including protective blind board,protection earth connection,adding piping cleaning interface and insulated bolt.
在石油生产设备设施的建设安装和检修动火过程中,工程技术人员创造发明了防护盲板、防护接地、加装管道扫线接口和绝缘螺栓四种防护方法。
2) collar bolt
凸缘螺栓
3) insulation stud
绝缘螺杆
4) insulated screw
绝缘螺钉
5) flange bolt hole
凸缘螺栓孔
6) noninsulated screw
非绝缘螺钉
补充资料：凸缘焦点面距
凸缘焦点面距(Flange back )，从照相机前板部分的凸缘外侧的表面到焦点面的距离。
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