cc523pate 发表于 2018-1-20 19:52:41

ISO 7919-4:2009/Amd.1:2017 Mechanical vibration — Evaluation of machine vibrat

ISO 7919-4:2009/Amd.1:2017
Mechanical vibration — Evaluation of machine vibration by measurements on rotating shafts — Part 4: Gas turbine sets with fluid-film bearings
AMENDMENT 1


admin 发表于 2018-1-23 19:55:09

谢谢您的分享,金币已奖励!
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