能够方便提供冷热饮用水，而且可以保证准确计量清洗，避免二次污染，安全可靠。
Hot and cold drinking water can be conveniently provided; accurate metering cleaning can be ensured, which avoids the secondary pollution and ensures safety and reliability.
由于该设备是密闭的恒压供水，完全保持了水源的水质卫生标注，由于不与空气接触，避免二次污染和人为破坏。
Since the device is sealed in the constant pressure water supply, Entirely keep the water quality sanitation tagging, Because do not contact with air, Avoid secondary pollution and vandalism.
水或洗涤液中的杂质一旦沉入孔板的孔中，其大部分就会沉入底部并且静止在那里，避免了二次污染。
Once the impurities in the water or the cleaning solution sink into the holes of the hole plate, the majority can sink at the bottom and stop in order to avoid the secondary pollution.
运行测试结果表明，该装置能够有效地净化手烧燃煤锅炉的烟尘，避免除尘废水的二次污染。
The test of operation indicates that it can get ride of the dust in flue gas and avoid the second pollution of the water.
缩短射孔液对地层的浸泡时间，避免了起下作业过程中对油层的二次污染。
The utility model shortens the soak time of the perforating fluid to the stratum and avoids a secondary pollution to the oil layer during a pulling operation process.
因此，本发明具有结构简单、使用方便、能确保针尖方向一致以及避免血液二次污染等优点。
Thereby, the invention has the advantages of simple structure, convenient use, capability of ensuring the consistent direction of the needle point, blood secondary pollution avoidance and the like.
避免了冷却水的二次污染。模面热切额物料颗粒外观圆滑、饱满、美观。
The cooling water to avoid secondary pollution. die face material particles sleek look, full and beautiful.
实验证明MABR可以有效避免常规鼓泡曝气对易挥发性有机物的吹脱作用，避免了对空气的二次污染。
Results indicated MABR could effectively avoid volatile organic compounds volatilization caused by conventional bubble aeration and secondary pollution of the air.
灌装系统采用卡瓶颈进瓶技术，避免瓶口二次污染；
Filling system use the block bottleneck entering the bottle technology, avoids the bottle-mouth 2 pollution;
本发明自动化程度高、工作效率高，避免了人工的二次污染，提高了面膜的折叠质量。
The invention has high degree of automation and work efficiency, avoids artificial secondary pollution and increases folding quality of the facial mask.
对于不可回收或难以回收的物质，为避免对环境造成二次污染，采用先进技术加工成有机质燃料（RDF）；
Unrecyclable materials can be processed into Refuse Derived Fuel (RDF) in order to avoid secondary pollution on the environment;
为避免城市污水污泥产生二次污染，必须对其进行妥善处理与处置。
The treatment and disposal of sludge is essential in the process of wastewater treatment.
为避免城市污水污泥产生二次污染，必须对其进行妥善处理与处置。
The treatment and disposal of sludge is essential in the process of wastewater treatment.
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