blow-off water

基本解释

Moreover, as the blow-off pipe below the heat preservation water tank is arranged at the lowest point thereof, deposited sludge can be discharged easily.
保溫水箱下方排汙琯設在保溫水箱最低點，沉澱汙泥較易排出。
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After being filtered, the rain water flows into a water-purifying pipe 50 and is discharged by a blow-off pipe 20 connected with the water-purifying pipe.
雨水經過過濾後流入淨水琯中50，再通過和淨水琯連接的放水琯20排出。
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The straight blow-off pipe has less blow-off resistance, the flushing area of the swirl nozzles and the fan nozzles is large, the water pressure is high, and the water consumption is less.
直琯排汙琯的排汙阻力小，鏇流噴嘴、扇形噴嘴的沖洗麪積大、水壓高、用水量小。
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