Warning: file_put_contents(): Only 0 of 6418 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/totle.com.cn/index.php on line 55 commercial timberland是什么意思，commercial timberland的翻译，commercial timberland音标、读音、用法和例句_乐豆毛深蓝词典
The causes of decrease in quality of commercial timberland base were analysed and the way to solute the problem was offered. 作者對商品材基地質量下降的原因進行了分析，提出了對策。