Warning: file_put_contents(): Only 0 of 6414 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/201990.com/index.php on line 55 lockring是什么意思，lockring的翻译，lockring音标、读音、用法和例句_耀久九英英词典
All-metal wet helix lockring brake produced by our company has embraced a blank for not only dom estic but also international in this realm. 我公司开发研制的全金属湿态螺旋锁环微型抱闸填补了国内外这一领域的空白，本专利在国内外多次评比中荣获诸多奖项。