... OS Operator station 操作员站 PA Partial arc 部分进汽 PC Programmable controller 可编程控制器 ...
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The partial line is a line joining the two end portions of the partial arc.
部分线是将部分圆弧的两端部连接的线。
The partial arc may derive from the surface of polluted insulator string and form the air gap arc during the pollution flashover process at low air pressure.
低气压下绝缘子污闪放电过程中局部电弧存在飘离绝缘子表面形成空气间隙电弧的现象。
The connecting line is a line joining the end portion of the circumscribing line and the end portion of the partial arc or partial line positioned at the most proximity.
连接线是将外切线的端部与位于该外切线的端部的最近处的部分圆弧或部分线的端部连接的线。
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