真空惡化 的英文怎麼說
中文拼音 [zhēnkōngěhuà]
真空惡化
英文
loss of vacuum-
Mating corresponding vacuum contactor switch is for electric power, metallurgy, mine, chemical controlling and protecting, it is suitable for location that has bad load and frequent operation
配套相應的真空接觸器開關可用於電力、冶金、礦山、化工等部門的配電系統作控制和保護,特別適合投切惡性負載和需頻繁操作的場所。
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