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单词
drawing
释义
drawing
Encyclopedia
工学
体积成形
释
drawing
拉拔
在外加拉力作用下，迫使金属通过模孔，以获得所需形状和尺寸的制品的塑性加工方法。
工学
拉深成形
释
drawing
拉深成形
利用具有一定圆角半径的模具，将平板毛坯或半成品毛坯加工成开口空心件的冲压工序。又称拉延。
理学
拉伸
释
drawing
拉伸
使高聚物中高分子链沿外作用力方向进行取向排列，以改善高聚物结构和力学性能的加工方法。
Physics
drawing
①抽，拉，压延 ②牵引 ③提取 ④回火 ⑤绘图
Mathematics
drawing
抽样，抽取
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economic development
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economic evaluation of investment on grassland
economic evaluation of railway investment
economic evaluation of resources
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economic feasibility analysis of safety engineering
economic fineness
economic forecast
economic forest breeding
economic formation of society
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更新时间：2026/4/2 15:16:11