填空题

Typical customers of a landfill are______.

【参考答案】

municipalities and construction companies.
<上一题 目录 下一题>
热门 试题

填空题
Hazardous wastes have to be treated before being dumped into landfilis.
填空题
In the United States the building of landfilis is the job of both federal and local governments.
相关试题