Warning: file_put_contents(): Only 0 of 6496 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/totle.com.cn/index.php on line 55 patent of chemical invention是什么意思，patent of chemical invention的翻译，patent of chemical invention音标、读音、用法和例句_乐豆毛深蓝词典
The invention patent for counter-circulating evaporator of Chengda Chemical Engineering Corporation is already authorized and commercialized. 中國成達化學工程公司反循環蒸發器發明專利已授權，竝已工業化。