... four-position switch；四位开关 four-position valve；四位阀 four-speed gearbox；四速点轮[传动]速箱 ...
基于40个网页-相关网页
... four-port valve 四通阀 four-position valve 四通阀 ; 四位阀 four-valve receiver 四灯接收机 ...
基于21个网页-相关网页
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three position four-way valve 三位四通阀
position four way valve 三位四通阀
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