In my opinion, limiting the use of disposable plastic bags is a significant and meaningful measure or policy to decrease environmental pollution as well as save social resources.
在我看来，限制使用一次性塑料袋是一项用来降低环境污染并节省社会资源的重要的，有意义的措施或政策。
Automobile lightening can efficaciously economize energy and decrease environmental pollution.
汽车轻量化后可以有效地节约能源和减少环境污染。
Producing PVC resin by imported VCM is an important revolution of producing process. It can improve pro duct quality, decrease environmental pollution, reduce costs.
以进口氯乙烯单体（VCM）为原料生产PVC树脂是PVC行业的重大的生产工艺变革方式，它能提高产品质量，减少环境污染，降低产品成本。
Producing PVC resin by imported VCM is an important revolution of producing process. It can improve pro duct quality, decrease environmental pollution, reduce costs.
以进口氯乙烯单体（VCM）为原料生产PVC树脂是PVC行业的重大的生产工艺变革方式，它能提高产品质量，减少环境污染，降低产品成本。
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