Warning: file_put_contents(): Only 0 of 7268 bytes written, possibly out of free disk space in /home/www/wwwroot/ndsq.cn/index.php on line 55 worm gear grease例句_worm gear grease英汉例句_worm gear grease双解例句_开心英文字典_柠咚词
Single reduction worm gear reducers are grease lubricated for life and use standard C face motors. 单向蜗轮减速器采用润滑油润滑，所以寿命长，而且它采用标准的C面电动机。 www.e-gtm.com.cn