switchgear
n. 开关齿轮
词形变化
switchgears
复数
switchgears
别名
switch gear
释义与例句
n.
-
1.
A device used to control, meter, protect, and regulate electronics as part of electricity generation, transmission, and distribution.
可数 不可数 商务 工程 物理
词源
From switch + gear.
来源:wiktionary