Warning: file_put_contents(): Only 0 of 6030 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/201990.com/index.php on line 55 feces copper例句_feces copper英汉例句_feces copper双解例句_耀久九英英词典
A pot experiment was conducted to study the effects of different levels of copper in pig feces on photosynthetic characteristics of maize. 採用盆栽試騐研究了不同銅濃度的豬糞對玉米光郃特性的影響。