Warning: file_put_contents(): Only 0 of 5476 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/73904.com/index.php on line 55 ball-bearing with taper bore是什么意思，ball-bearing with taper bore的翻译，ball-bearing with taper bore音标、读音、用法和例句_骑士汉英词典
The basic design self-aligning ball bearing is available with a cylindrical bore or, in certain size ranges, with a tapered bore (taper 1:12). 自调心球轴承的基本设计带有一圆柱孔，或者在某些尺寸范围内带一圆锥孔（圆锥1：12）。