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开坯孔型
把方形或矩形的大断面钢锭或钢坯轧成小断面的方坯或板坯,使轧件的断面面积缩小,长度增加,为后面孔型提供合适轧件尺寸的孔型。又称延伸孔型。
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The Cherry Orchard
The Chicago Literary Renaissance
The Chief Information Officer (CIO): Assessing Its Impact
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the children education theory of Pestalozzi
The Children's Book Council of Australia Book of the Year Awards
The Child's Paper
The China Broadcast and Film Symphony Orchestra
The China Focus
The China Magazine
The China Mail
The China Modern Photo Salon 1988
The China Near Earth Object Survey Telescope
The China Reformer
the China (Shanghai) pilot free trade zone
The China Times
The China Yearbook
The Chinese Archives Classification
The Chinese Association of Logic
The Chinese Association of Qu Yuan
The Chinese Biophysics Congress, ICBC
the Chinese Buddhist Academy
The Chinese Ceramic Society
the Chinese Ceramic Society
the chinese ceramic society
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更新时间:2026/7/4 2:24:58