... three-value voltmeter 三值电压表 three-way change valve 三通换向阀 three-way cock 三通旋塞 ...
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... three-way cock 三通旋塞 three-way diverter valve 三通换向阀 three-way pipe 三通管 ...
基于21个网页-相关网页
短语
二位三通换向阀
two position three way directional control valve
三位四通换向阀
way directional control valve
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