hot-water pump cylinder cover

例句：

1. 1. Thehot-water pump cylinder cover is essentialfor maintaining the proper functioning of thewater heater.
   热水泵气缸盖对于保持热水器正常工作至关重要。
2. 2. The technician replaced the hot-water pump cylinder cover to fix the leaky issue.
   技术人员更换了热水泵气缸盖以修复泄漏问题。
3. 3. The hot-water pump cylinder coverwas damaged during the installation process, requiring replacement.
   在安装过程中，热水泵气缸盖受损，需要更换。