Precisely measuring and tracing is a precondition and basis of arc-suppression coil with automatic tuning accurately compensating system capacitive current and efficiently quenching ground arc.

精确的测量和跟踪是自动调谐式消弧线圈精确地补偿系统电容电流、有效地熄灭接地点电弧的前提和基础。

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Arc Burns. Localized points of surface melting caused by arcing between electrodes or ground and pipe surface.

电弧烧伤。由于电极(含接地极)与管子表面之间起弧而产生的局部表面熔化点。

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All carbon arc gouged surface areas shall be ground to clean bright metal prior to subsequent welding.

开始后续焊接前，所有碳弧气刨面区域应接地至洁净明亮的金属。

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When asked last year about the rules of engagement for tear gas, he told the BBC that police in America are trained not to fire head-high and to either arc the canister into the air or roll it on the ground.

BBC: Bahraini dies after being struck by tear gas canister