single-pole three throw switch
... single-pole switch 单刀开关；单极开关 single-pole three throw switch 单极三投开关 single-throw switch 单投开关 ...
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... three pole singlethrow switch 三刀单投开关 pole three throw switch 单极三投开关 three-pole gang operated switch 三极联动开关 ...
基于8个网页-相关网页
短语
三极单投刀开关
[电]
triple-pole single-throw switch
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