下阀 meaning in English
lower valve
Examples
- Press down on the cover to assure proper alignment
压下阀盖，确保适当的对齐。 - Air valve is made up of upper valve seat , lower valve seat , 5 kinds of accurate valve slice and 25 springs
该气阀是由上阀座、下阀座及大小5种精密阀片和25个弹簧等零件组成。 - When the upper stem rides up and down on its threads it now moves the lower stem by a mechanical connection
当上阀杆沿着它的螺纹上下运动时，通过机械连接带着下阀杆一起运动。 - 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。 - 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。