incoming line短语¹⁴⁴⁹⁷²⁺² 基本例句 进线,输入线,引入线 The gap-less MOA installed by the line side of the circuit breaker of each incoming line prevent lightning intruding waves from flashovering on interrupted circuit breaker. 提出了在断路器进线侧安装避雷器，以防止断路器在分闸状态遭雷击引起闪络的建议； cnki