Maindl迈因德尔mainadj.主要的；最重要的n.干线；总管道；[pl](水、煤、电)供应系统；<古>大海main supervisory panel主监视仪表板main and standby route主备用main steam temperature主汽温main controlling board主操作盘main connecting wiring主接线安装Main working procedure主要工序main resonance section主共振区main axis of expansion膨胀轴main power auxiliaries主动力系统辅助设备main spindle hand feed主轴手动进给