scale pit
... scale dial刻度盘 scale pit (SP)铁皮坑 scale-resisting steel不结氧化鳞皮钢、不起皮钢 ...
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输出辊道铁皮坑 run-out table scale pit
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通过对冷却塔部分、铁皮坑、水泵调速等改造，以及选用新的水质稳定剂，使水质明显好转。
The water quality has been significantly improved by improving cooling towers, ponds made of iron sheet and sys- tem of water pump speed governing and by selecting new water quality stabilizers.
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