Warning: file_put_contents(): Only 0 of 8345 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu.com/index.php on line 58 with shoulder bolt例句_with shoulder bolt英汉例句_with shoulder bolt双解例句_英语字典
The utility model is composed of a front shaft, a rear shaft, a shaft sleeve, a shoulder fitted with a bottom sleeve, a connecting bolt, a connecting nut, etc. 由前轴,后轴,轴套,与底套配合的台肩,连接螺栓,连接螺母等构成。 ip.com