- 更多网络例句与放水孔相关的网络例句 [注：此内容来源于网络，仅供参考]
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The cut-off valve with pilot valve without hand wheel, stem and lift nut inside will guide block and guide slot Butterfly Valves to guide sleeve, the disc-shaped disc to disc type bowl shape, and holes in the bottom of the flap valve to open, the valve cover of the original valve stem hole to hole diversion, because of increased pressure ring, ring, and the valve flap to class mortar, so that the flow passage separated the upper chamber cavity, external cavity, cavity, in the cavity and The external cavity increases with draft tube and stainless steel manual ball valve, flap valve in the cover plate and the center of the end of installing the spring, the upper flap valve install compression seal of the pressure ring, outside the cavity of the wall to open a Drainage holes.
带先导球阀的截止阀无手轮、阀杆和内升降螺母，将导向块与导向槽改为导向套，将盘形阀瓣改为类钵体形阀瓣，并在底部开阀瓣孔，电动蝶阀将阀盖原阀杆孔改为导流孔，因增加压环、密封圈和将阀瓣改为类钵体，使上通流腔分隔为上腔、外腔、内腔，在上腔与外腔的外部加设有导流管与不锈钢手动球阀，在盖板与阀瓣底的中心部加设弹簧，阀瓣上部加设压紧密封圈的压环，在外腔的壁上开有放水孔。
- 更多网络解释与放水孔相关的网络解释 [注：此内容来源于网络，仅供参考]
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drain off：放水[放油,放气]
Drain hose 排水管 | Drain off 放水[放油,放气] | Drain oil 放油孔
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purge valve：放气阀;放水阀
punching machine 冲压机;冲孔机 | purge valve 放气阀;放水阀 | purlin 桁条
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main discharge valve：总放水阀
main discharge tube ==> 主量孔喷管 | main discharge valve ==> 总放水阀 | main dispatching centre ==> 主调度中心