Warning: file_put_contents(/www/wwwroot/ppbbbu/n94.cn/cache/2e9ff4146403beb5498ba5bfcaebab60.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/n94.cn/index.php on line 55 valve body cap screw是什么意思，valve body cap screw的翻译，valve body cap screw音标、读音、用法和例句_94生活常识网有道词典
The hand wheel, the screw rod, the standby cap and the top sleeve are assembled and connected in a valve body. 它是由在阀体内装配连接的手轮、螺杆、备帽、顶套及装于螺杆下的标准球和密封垫组合而成。 ip.com