bearing support casing lower half 中文咋说? 压缩机 转子定中心步骤如下: 1.Have the rotor assembled on the bearing support casing lower half with the thrust bearing and labyrinth seal not assembled. 2. Position the exit opening of the impeller to obtain optimum impeller - diffuser passage alignment. 3. Measure the distance between shaft end and the outer face of the support casing lower half. Take two values ± 2 mils, 180°apart and record the mean value. ................ 我的问题: 第1 句标红:下轴瓦? 第3 句标红:相距 180° 取两个值,相差 ±2密耳,... 查看更多4个回答 . 1人已关注