Simultaneously, the ordure draining is observed and once the drainage is completed, the valve is closed in time to stop water draining.
同时注意观察污物排放情况,一旦沖尽,及时关闭阀门,停止放水。
This paper aims to introduce the author's research on an improved technology of domestic waste composting with four different bulking agents: sawdust, straw, leaves, and dry ordure of horse.