矩形: rectangle; squareness和: mix; blend正方形: square铜: copper合金: alloy管: pipe; tube扭转: turn round; turn about角: role; part; character的: 4次方是 The fourth power of 2 i ...测试: test; testing; checkout; mea ...方法: method; means; way; techniqu ...矩形和方形铜及铜合金波导管: copper and copper alloys-rectangular and square waveguid tube铜和铜合金: copper and copper alloys型无缝铜和铜合金管: standard specification for u-bend seamless电导线用矩形和正方形软裸铜线: standard specification for soft rectangular and square铜和铜合金管的膨胀试验法: standard test method for expansion铜和铜合金管钎焊用液体和软膏状焊剂: standard specification for liquid and paste雷管用铜和铜合金带: copper and copper alloy strips for detonator铜和铜合金标准术语: standard termninology for copper and copper alloys硬质合金硬度的测试方法: standard test method for hardness testing of高山滑雪板的扭转特性的测试方法: standard test method for torsion characteristic of alpine skis锻造及铸造的铜和铜合金回火标志: standard classification for temper designations for铜和铜合金的硝酸亚汞试验法: standard test method for mercurous nitrate test for铜和铜合金无缝冷凝器管和套圈坯料: standard specification for copper and电阻合金的热电功率的测试方法: standard test method for thermoelectric power of