Warning: Missing argument 3 for write(), called in /www/wwwroot/biwei1.cn/incs/robot.php on line 68 and defined in /www/wwwroot/biwei1.cn/incs/data.php on line 487 雷锋日记:今天大年初一,我花了4小时拣粪150 kg,送到望花公社做肥料。假设人每次排便0.2 kg,风干后每砣为0.1 kg。捡每砣粪用时为:3600*4/150/0.1=9.6秒。每铲一砣冰冻粪进粪筐用时8秒,则找到下一…