那只鸟抓住一只特别大的甲虫把它带进窝.The bird seized an unusually big beetle and bore it off to its nest.公鸡进窝啼不停, 早起大雨把头淋.If the cock goes crowing to Bed , he's sure to rise with a watering head....
Disinfecting hand - washing Trough. Disinfecting pool. Wardrobe, and other more.风淋室.消毒洗手槽. 消毒池. 更衣柜等.This article has introduced the chlorine disinfecting mechanism and control of DBPs.文章主要介绍了液氯消毒的机理及其消毒副产物的产生和控制方法.A bio...