non-return valve
英
美
- 单向活门,单向阀
双语例句
- A drip coffee maker can stop working if the one-way valve gets clogged.
如果单向阀堵了，电热过滤咖啡机就不能用了。 - A one-way valve both prevents leakage and provides a consistent product dosage to the ball applicator.
单向阀既防止泄漏，并提供一致的产品剂量球喷头。
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