Warning: file_put_contents(): Only 0 of 7214 bytes written, possibly out of free disk space in /home/www/wwwroot/ndsq.cn/index.php on line 55 bridge tap例句_bridge tap英汉例句_bridge tap双解例句_开心英文字典_柠咚词
The utility model relates to a screw tap used in the manufacturing of a clip of a bridge prestressing force anchor holder. 本实用新型涉及一种桥梁预应力锚夹具的夹片制造用丝锥。 ip.com