non-perennial stream是什么意思，non-perennial stream的翻译，non-perennial stream音标、读音、用法和例句

Warning: file_put_contents(): Only 0 of 4728 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/5256789.com/index.php on line 55
non-perennial stream是什么意思，non-perennial stream的翻译，non-perennial stream音标、读音、用法和例句_绿查网谷歌词典

non-perennial stream

基本解释

专业释义

水利工程