... 浅管；线轴；绕在卷轴上的材料；双端凸缘管；缠绕；假脱机；防喷器中间的四通；两端带法兰的短管 spool 卷筒 spool piece 假脱机队列 spool queue ...
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... spool piece 排气套管 ; 管段 ; 短管 ; 卷筒 articulated spool piece 铰接联接短管段 removable spool piece 可拆短管 ...
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blind flanged spool piece 盲法兰短管
articulated spool piece 铰接联接短管段
dog-leg spool piece 折线形法兰联接短管段
portable spool piece 可拆式短接管
spool piece for inlet strainer 进气过滤器套筒
leg spool piece 折线形法兰联接短管段
new spool piece 新建膨胀弯
existing spool piece 已存膨胀弯
Check valve and butterfly valve combinations are very popular; normally a short spool piece is required between the valves.
止回阀与蝶阀的连接是经常发生的事，通常需要在这两种阀门之间加上一节短短的阀槽。
Besides the vegetables, they held a piece of bread, a pocketknife, sometimes the Alpine Club guidebook, and always a spool of wire for emergency repairs.
除了那些蔬菜，他们还拿一块面包，一把小折刀，有时还带上阿尔卑斯山俱乐部旅游指南，还有一轴紧急时用的维修线。
They employ a unique, one piece center spool design that accommodates a user-supplied padlock in the closed position.
他们采用的是独特，一件中心轴设计，可容纳用户提供在关闭位置锁。
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