Elaborates al sheet mill spray system, introduces mill spray control mechanism of electro-air proportional valve.

阐述铝箔轧机喷淋系统，介绍电—气比例阀在轧机油喷淋方面的控制机理。

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This paper has described the mathematical model, spray control logic and diagnostics in the secondary cooling water dynamic control model of CCM at Meishan Steelmaking Plant.

本文介绍了梅山炼钢厂连铸机二冷水动态控制模型的数学模型、控制逻辑和模型诊断功能。

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This paper analyses the reasons of the emergence and spread of dust, According to the actual situation of coal preparation plant, use dual-swirl spray control dust pollution.

分析了粉尘产生和扩散的原因，根据选煤厂的实际采用密闭抑尘与双旋喷雾除尘相结合工艺治理粉尘污染。

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The Centers for Disease Control and Prevention recommends all pregnant women get the flu shot (the nasal spray vaccine is not recommended for pregnant women) to protect them from the virus.

CNN: Flu vaccine poses no risk to unborn