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65795 测量不确定度与误差的关系: 技术 • csxfjsw123 • 2008-01-25 15:49

39384 热电偶的使用简介: 技术 • Van • 2011-02-17 09:15

95315 想要海克斯康的三坐标培训资料: 技术 • 谢世健 • 2011-01-09 17:01

187971 千分尺误差0.04mm损失近百万: 技术 • Baike • 2010-06-15 21:18

35960 硬度测试方法或标尺的选择: 技术 • Van • 2011-02-18 13:19

34561 实验室安全标准: 技术 • Van • 2011-02-18 13:07

71656 请教，简易的检验平板校准方法: 技术 • sybcttc • 2011-02-18 09:37

68108 粉碎机常见的机械故障及处理方法: 技术 • 1099418606 • 2011-02-18 10:37

61620 ASTM A523-96(2005) Standard Specification for Plain End Seamless and: 技术 • leunghb • 2010-01-10 13:55

68877 ASTM A531/A531M-91(2006) Standard Practice for Ultrasonic Examination of: 技术 • leunghb • 2010-01-10 14:35

70361 ASTM A532/A532M-93a(2008) Standard Specification for Abrasion-Resistant: 技术 • leunghb • 2010-01-10 14:45

79924 ASTM A540/A540M-06 Standard Specification for Alloy-Steel Bolting Materials: 技术 • leunghb • 2010-01-10 15:32

75431 ASTM A541/A541M-05 Standard Specification for Quenched and Tempered Carbon: 技术 • leunghb • 2010-01-10 15:37

35395 ASTM A550-06 Standard Specification for Ferrocolumbium: 技术 • leunghb • 2010-01-10 15:52

75743 ASTM A686-92(2004) Standard Specification for Tool Steel, Carbon: 技术 • leunghb • 2010-01-30 06:34

69367 ASTM A688/A688M-08 Standard Specification for Welded Austenitic Stainless: 技术 • leunghb • 2010-01-30 06:50

77867 ASTM A689-97(2007)e1 Standard Specification for Carbon and Alloy Steel Bars: 技术 • leunghb • 2010-01-30 06:58

81630 ASTM A690/A690M-07 Standard Specification for High-Strength Low-Alloy Nickel: 技术 • leunghb • 2010-01-30 07:04

74669 ASTM A691/A691M-98(2007) Standard Specification for Carbon and Alloy Steel: 技术 • leunghb • 2010-01-30 07:24

60396 ASTM A693-06 Standard Specification for Precipitation-Hardening Stainless and: 技术 • leunghb • 2010-01-30 07:32

78696 ASTM A696-90a(2006) Standard Specification for Steel Bars, Carbon, Hot-Wrought: 技术 • leunghb • 2010-01-30 07:43

79072 ASTM A698/A698M-07 Standard Test Method for Magnetic Shield Efficiency in: 技术 • leunghb • 2010-01-30 07:52

53886 ASTM A701-05 Standard Specification for Ferromanganese-Silicon: 技术 • leunghb • 2010-01-30 08:05

83094 ASTM A703/A703M-08 Standard Specification for Steel Castings, General: 技术 • leunghb • 2010-01-30 08:26

58861 ASTM A704/A704M-06 Standard Specification for Welded Steel Plain Bar or Rod: 技术 • leunghb • 2010-01-30 08:32