doorsill analysis是什么意思，doorsill analysis的翻译，doorsill analysis音标、读音、用法和例句

Warning: file_put_contents(): Only 0 of 4757 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55
doorsill analysis是什么意思，doorsill analysis的翻译，doorsill analysis音标、读音、用法和例句_沉淀汉英词典

doorsill analysis

基本解释

专业释义

交通运输工程