这四块干犀牛粪被放在透明的陈列柜中，每块粪便还注明来自哪种犀牛。
Each piece is dried, mounted in a clear trophy case and marked with the type of rhino that produced it.
原污水或由污水处理装置处理后的固体残渣进入粪便消毒储存柜，在柜内积聚到一定的液位，启动粉碎泵。
Influent sewage or solid residues treated by sewage treatment plant after into manure disinfection storage tank, and the tank accumulated these things to a certain level, start crushing pump.
应用推荐