left extremity 中文意思是什麼
left extremity
解釋
左盡頭-
Field circuit breaker failure causing too low arcing voltage followed by blast of ionised air in + es cubicle and flashover at the left extremity of ac bus bars
導致弧壓過低的磁場斷路器故障是引發+ es櫃空氣電離和交流母排左側末端處發生閃絡的原因。
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