快乐八开奖号码中奖规则是什么

简介：There is a special toilet for every 100 people, which is surrounded by wooden fences, the floor is paved with lime, and wooden barrels are set up at the door for officers and soldiers to wash their hands in and out of the toilet. The officers and soldiers take turns to be on duty and responsible for the hygiene of the toilet, so as to prevent the occurrence of plague.