请教此处mass作何解?? 原帖由 tchg1186 于 2008-12-23 17:19 发表 before commissioning the insulation resistance of the winding must be measured by qualified personnel phase against phase and phase against mass. 试运行前必须由资质人员测量绕组的相与相之间和相与地/ ... 感觉phase against mass译作“防止相位集中”也不大妥, 个人意见:“试运行前,必须由有资质人员测量绕组的相与相之间和相与 相主体 之间的绝缘电阻。”mass可能是指绕组的主体。查看更多