... ball-and-socket valve 球形阀 valve socket 阀座 ; 电子管座 socket-end straight valve 内螺纹联接直通阀 ...
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... 脚管 inner jut pipe 管座 socket; vacuum tube base; valve socket; valve panel; valve holder; lamp recept ... 八脚的 octal-base ...
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valve guiding socket 凡尔导向套
socket ball valve 套焊球阀
socket valve 球形阀
Ball valve with pipe socket 带管座的球阀
socket type stop valve 卡套式截止阀
socket-end straight valve 内螺纹联接直通阀
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