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Hydroelectric power stations
containing
主管
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all forms
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in specified order only
Chinese
English
主支管
primary branch
主管
工程师
engineer in charge
主要排水管
conducting drain
主轴密封供水备用水管
shaft seal spare water supply pipe
主轴密封供水管
shaft seal water supply pipe
主轴密封冷却供水管
shaft seal cooling water supply pipe
主轴密封冷却水供水总管
shaft seal cooling water header pipe
主轴密封排水管
shaft seal drainage Pipe
主轴密封检修密封供气管
shaft seal maintenance seal air pipe
排水
主管
drain collector
消防环形
主管
fire-fighting ring main
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