unstable-angina 发表于 2025-3-23 13:23:22

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Dappled 发表于 2025-3-23 14:57:25

978-3-030-39464-6The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerl

旋转一周 发表于 2025-3-23 19:49:45

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抵消 发表于 2025-3-24 00:54:44

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mydriatic 发表于 2025-3-24 03:27:35

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特征 发表于 2025-3-24 06:40:22

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alabaster 发表于 2025-3-24 10:40:13

Michael G. Pollittiven in mm. DIN 50190-3 refers to the effective depth of hardening after nitriding Nht in mm and the hardness limit=measured core hardness+50 (HV0.5). For case hardening, the hardness limit is 550HV1 and the effective depth of case hardening, abbreviated to CHD in EN ISO 2639, is given in mm (previo

FIR 发表于 2025-3-24 15:37:50

Michael G. Pollittiven in mm. DIN 50190-3 refers to the effective depth of hardening after nitriding Nht in mm and the hardness limit=measured core hardness+50 (HV0.5). For case hardening, the hardness limit is 550HV1 and the effective depth of case hardening, abbreviated to CHD in EN ISO 2639, is given in mm (previo

出处 发表于 2025-3-24 21:19:22

Michael G. Pollitteantwortung dieser Frage liefern jedoch die zahlreichen Forschungsergebnisse, über die mehrfach berichtet wurde und die eine umfassende Auswertung gestatten. . Bei diesen wird besonderes Augenmerk auf die Vorlage und Deutung baulicher Befunde gelegt.

独白 发表于 2025-3-25 02:39:45

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查看完整版本: Titlebook: Reforming the Chinese Electricity Supply Sector; Lessons from Global Michael G. Pollitt Book 2020 The Editor(s) (if applicable) and The Au