问:哪里下载ISO 21940-13 2012 Mechanical vibration — Rotor balancing — Part 13 Criteria and safeguards for the in-situ balancing of medium and large rotors答:请联系微信:siduwenku
ISO 21940-13 2012 Mechanical vibration — Rotor balancing — Part 13 Criteria and safeguards for the in-situ balancing of medium and large rotors