engine emission test 发动机排放测试
diesel engine emission 柴油机排放
engine emission control 发动机排放控制
lean burn engine emission 贫燃发动机尾气
reducing the engine emission 降低有害排放物
diesel engine emission control 柴油机排放控制
field ion emission engine 场电离放射发动机 ; 场电离发射电动机
low emission engine setting 低排放发动机调整
low emission turbocharged engine 低排放涡轮增压发动机
As emission regulations have become increasingly restrictive, diesel engine emission levels are approaching those of natural gas engines.
随着排放法规的日益严格，柴油机的排放水平逐渐接近天然气发动机。
As people pay more and more emphasis to energy and environmental protection, our nation has established strict non-road diesel engine emission regulation.
随着能源与环境问题持续受到关注，我国已经对非道路用柴油机制定了严格的排放标准。
With the attention increasingly given to environmental pollution, restriction of diesel engine emission in many countries is becoming more and more rigorous.
随着人们对环境污染重视程度的提高，世界各国对柴油机排放的限制也日益严格。
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