... water seal (防止空气漏入炉膛的)水封，安全水封 water-seal chamber 水封室 water-sealed 水封的 ...
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Shaft seal: It adopts packing seal or mechanical seal, The packing seal water or mechanical seal cooling water is leaded from chamber or outside through backflow pipe parts.
轴封 填料密封或机械密封，填料水封水或机封冷却冲洗水由回水管部件从泵压出室引入或由外部接入。
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