英语词汇percentage of area contraction怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	percentage of area contraction
释义	percentage of area contraction 简明释义断面缩率网络释义短语 1 area contraction percentage of 断面缩率双语例句 1 The results of performance measurement test show that tensile-strength, contraction of cross sectional area, elongation percentage, dynamic ductility of the weld all exceed their base metal. 焊后试件的性能测试结果表明，焊接接头的拉伸强度、断面收缩率、延伸率及冲击韧性均已超过母材。
随便看	hardly so hardly surprising hardly...than... hardly...when... hardly when hardly worth ones salt hardly worth one's salt hard machine check hard macro hardmacrogol hard magnesia hard magnet hard magnetic hard magnetic alloy hard magnetic ferrite hard magnetic material hard-magnetic, material hard magnetic materials hard magnetic steel hard magnetization hard magnetization direction hard mallet Hardman hardman hardman

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