The structure of spraying drying chamber, filtering chamber, fluid-bed and secondary air supply system has been improved greatly. It can appear the features of spraying drying deeply.

喷雾干燥室、捕集室、流化床及二次供风系统等结构进行了重要修改后，更加贴切的表现出喷雾干燥的特性。

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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.

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。

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Apart from the secondary water supply systems, the drainage systems and the air-raid shelters, no significant difference was found in the positive rates between the central area and the marginal area.

除二次供水、市政排水设施和防空洞外，中心城区与边缘城区蚊孳生阳性率无明显差别。

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