The result indicates that the air water back flushing has the best effect and prominent economic benefits.
试验结果表明：气水反冲洗效果最好，经济效益显著。
This paper simulates the effect of crosswind on the thermal performance of wet cooling tower and puts forward a feasibility advice of fixing back flow canal around the tower to reduce the water loss.
模拟了横向风对冷却塔热力特性和飘水损失的影响；提出了沿塔周设置回流槽的措施，以减少飘水损失。
Therefore, the anti-suck-back hot water bottle cork is convenient to be unplugged and is free from influencing the original heat-preservation effect of the hot water bottle.
因此，本实用新型拔塞方便，而且不影响热水瓶原有的保温效果。
Therefore, the anti-suck-back hot water bottle cork is convenient to be unplugged and is free from influencing the original heat-preservation effect of the hot water bottle.
因此，本实用新型拔塞方便，而且不影响热水瓶原有的保温效果。
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