retaining valve

• 止回阀

retaining valve的用法和样例：

例句

1. Check valve guiding shall be plastic to plastic.
   止回阀引导装置应该是塑料对塑料。
2. "accommodation note, lip service"
   空头支票
3. 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。
4. 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。