下阀盖的英文

bottom flange

bottom-loading thermobalance

• 下:    below; down; under ...
• 阀盖:    bonnet; valve deck
• 下阀:    lower valve

例句与用法

1. Press down on the cover to assure proper alignment
   压下阀盖，确保适当的对齐。
2. To clean : inspect or replace worn valve disc , disconnect control pipe and unscrew bonnet from valve body using blunt tool and hammer on bonnet lugs
   清洗：检查或更换磨损的阀门阀瓣，断开控制管线，采用钝工具和锤打阀盖凸耳从阀体上旋下阀盖。
3. To clean : inspect or replace worn valve disc , disconnect control pipe and unscrew bonnet from valve body using blunt tool and hammer on bonnet lugs
   清洗：检查或更换磨损的阀门阀瓣，断开控制管道，用钝工具和锤打阀盖塞顶部，从阀体上旋下阀盖。