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push bench mill
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push bench mill
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push bench mill
顶管机
将延伸后的带杯底的毛管或经缩口机缩口的毛管套在芯棒上,通过一系列由辊子组成孔型的模架,推轧成管材的机械。
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International Press Photo Agency
International Principles of Professional Ethics in Journalism
International Prize in Statistics
international professional qualifications of construction industry
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international protection of human rights
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international public relations
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International Railways of Central America,IRCA
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