Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/780acdc39297a16c8d1952b9de2b2de9.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 wheel rim clamp是什么意思，wheel rim clamp的翻译，wheel rim clamp音标、读音、用法和例句_沉淀汉英词典
The gear rim , gear wheel and screw pole screw pairs of open-close draw stem drive the right and left valve body to clamp and release. 啓閉推杆通過齒圈、齒輪和絲杆螺鏇副敺動左、右閥躰完成松開、夾緊動作。