Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/2b1ae190599afddc97cfc31a3f3d0b72.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 benzol例句_benzol英汉例句_benzol双解例句_欧米惠必应词典
The consumption of crude benzol is obviously reduced by decreasing the extraction temperature properly and it doesn't influence the efficiency of dephenolization. 适当降低萃取操作温度，可以明显降低粗苯消耗，而不会影响其脱酚效率。