bottom-discharge valve

常見例句

雙語例句

• It does not need large-diameter bottom cover to discharge dry cake, generally only with ball valve or butterfly valve. The valves can be electric or pneumatic, or manual.
  底部不需大直徑的排干濾餅底蓋，只用球閥或蝶閥，這些閥門可以是電動(dòng)，或者氣動(dòng)，或者手動(dòng)。
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