Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/6aeeedeee552de0ca89ca0e8cc40020d.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 illuvium例句_illuvium英汉例句_illuvium双解例句_沉淀汉英词典
The paddy soil probably had a long history of tillage, and furthermore it had formed gley horizon and illuvium, but its fertility was not high either. 水稻土有较长耕作历史，并已形成了潜育层和潴育层，但土壤肥力并不高。