Warning: file_put_contents(): Only 0 of 7604 bytes written, possibly out of free disk space in /home/www/wwwroot/ndsq.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_开心英文字典_柠咚词
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