一到夏天,我居住的楼群的垃圾道出口常常流出黑水,臭气熏天,影响环境卫生。我建议对垃圾道出口作如下改进。1.旧楼垃圾道出口处可设置积水坑,定期揭盖清理臭水,具体做法见图1。 As soon as summer arrives, the garbage outlets of the buildings I live in often run out of black water, stinking and affecting the environment. I suggest to make the following improvements to the waste dump exit. 1. There may be water pools at the exit of the old building rubbish road, and the stench can be cleaned and covered regularly. The specific practice is shown in Figure 1.