air supply with constant pressure
air supply with constant pressure
恒压供气
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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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