door hold-open detection是什么意思，door hold-open detection的翻译，door hold-open detection音标、读音、用法和例句_开心英文字典

Warning: file_put_contents(): Only 0 of 7195 bytes written, possibly out of free disk space in /www/wwwroot/ndsq.cn/index.php on line 55
door hold-open detection是什么意思，door hold-open detection的翻译，door hold-open detection音标、读音、用法和例句_开心英文字典_柠咚词