a_series_of_environmental_problems

1.The milled semi-rigid base material is enormous waste of resources, and result in a series of environmental problems.
大修中铣刨后的半刚性基层材料大量废弃，造成巨大的资源浪费、土地占压，并引发一系列的环境问题。
dict.yoduao.com
2.In recent years, over-extraction of groundwater has caused a series of environmental problems, including ground subsidence. How long will the current over-extraction go unaddressed?
近年来对地下水的超采已经造成的地面沉降、地下漏斗等一系列环境问题，超采还要继续到何时？
dict.yoduao.com
3.Aimed at a series of environmental problems in the construction and operation management in the irrigation district projects, the counter-measures of treatment and rehabilitation are proposed.
针对灌区工程建设和运行管理中出现的一系列环境问题，提出了灌区治理与改造的措施。
dict.yoduao.com