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4月13日上午,老师带领我们参观了安东新区的一家污水处理厂。进入大门,一阵阵恶臭扑鼻而来,首先映入眼帘的是污水处理厂的“心脏”——污水情况控制中心。我们来到这里,解说员首先给我们介绍了污水净化的知识,然后指着污水处理的第一个场地——爆气池,给我们耐心地讲解爆气池的作用。我们循梯而上,又到了分配井,呼哧呼哧的机器前面有几个窨井,没有盖子,只有满坑的脏水和刺鼻的臭味。此时,我想到了我们喝的纯净水,吃的香甜可口的饭菜。再
On the morning of April 13, the teacher led us to visit a sewage treatment plant in Andong New District. Into the door, a burst of stench of nostrils, the first thing that catches the eye is the sewage treatment plant “heart ” - sewage control center. We came here, the narrator first introduced us to the knowledge of sewage purification, and then pointed to the first venue for sewage treatment - bleed gas pool, give us a patient talk about the role of bleachers. We went up the ladder and went to the distribution well. There were several manholes in front of the machine, and there was no cover, there was only full of dirty water and pungent odor. At this point, I think of the pure water we drink, eat delicious sweet food. again