New Hampshire has extremely low pollution.
新罕布什尔州污染极低。
The pickling solution has low pollution with no nitric acid.
酸洗液不含硝酸，环境污染小。
Next roofing should use low pollution data, maintain ground cleanness;
其次屋面要使用低污染材料，并保持地面清洁；
Flood control standards are still low and the pollution of the lake remains serious.
防洪标准依然很低，污染依然很严重。
Less pollution, small consumption and low cost.
污染少，用量少，成本低。
Especially low source pollution should be controlled.
不同高度源应以低架源污染控制为主。
Low temperature synthetic process can also reduce energy consumption and avoid waste water pollution.
低温合成工艺还可以节约能源，避免废水污染。
The invention has simple process, little pollution in the preparing process and low producing cost.
本发明工艺简单，生产过程污染小，生产成本低。
Good seal, no pollution of the environment, easy operation and low noise.
密封性好，对作业环境无污染，操作方便，噪音低。
The preparation method is simple and has low cost and less pollution to environment.
本发明的制备方法简单，成本低，对环境污染小。
Microorganism treatment is a method of low cost, high efficiency and pollution free.
微生物处理是一种费用低，效果好，无二次污染且操作简单的处理方法。
There is no pollution. The operation is reliable, continuous, stable with strong suction, low noise.
叶轮运转不与任何零部件接触，没有污染，工作可靠，吸力强劲、连续工作、噪音低、工作平稳。
The cost of that technology is low and without pollution.
该技术生产成本低，且无污染。
The invention is simple technics, low power consumption, short producing time and low environment pollution.
具 有工艺简单、耗电量少、生产时间短，减少了环境污染的优点。
China; Low-carbon; Energy; Pollution; Environment.
中国；低碳；能源；污染；环境。
Set high, low wind speed, visual environmental pollution, freedom of choice, energy-saving control.
设置高、低档风速，可视环境污染情况，自由选择，节能控制。
Its radon pollution is low, near to the environment background value.
氡污染水平较低，接近环境本底水平值。
The invention has the advantages of simple equipment, stable operation, low cost and no pollution.
本发明具有设备简单、工艺稳定、成本低、无污染等优点。
The method has no pollution, low production cost and short production period.
该方法无污染，生产成本低、生产周期短。
The pump has simple structure, low cost, high energy saving effect and no pollution.
本泵结构简单，成本低，节能效果好，无污染。
The method of the invention has low cost, less energy consumption and no pollution.
本发明方法成本低廉，能耗少、无污染。
The method of the invention has low cost, less energy consumption and no pollution.
本发明方法成本低廉，能耗少、无污染。
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