- 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。
- Check valve guiding shall be plastic to plastic.
止回阀引导装置应该是塑料对塑料。
- Reassemble the Check valve modules.
重新组装止回阀模块。
