hollow bearing pin是什么意思，hollow bearing pin的翻译，hollow bearing pin音标、读音、用法和例句

Warning: file_put_contents(): Only 0 of 6323 bytes written, possibly out of free disk space in /www/wwwroot/ppbbbu/oiqp.com/index.php on line 55
hollow bearing pin是什么意思，hollow bearing pin的翻译，hollow bearing pin音标、读音、用法和例句_奇葩剧汉英词典