life-support umbilical是什么意思，life-support umbilical的翻译，life-support umbilical音标、读音、用法和例句

Warning: file_put_contents(): Only 0 of 4803 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/cp667.com/index.php on line 55
life-support umbilical是什么意思，life-support umbilical的翻译，life-support umbilical音标、读音、用法和例句_淳朴汉英词典

life-support umbilical

基本解释

专业释义

交通运输工程