main building
短语词组
- main furnace building investigation 主要勘探工作
- main furnace building haulageway 主运输道
- main furnace building leaf 主片
- main furnace building job 主要工程
- main furnace building laser 主激光器
- main furnace building gate 主选择脉冲
- main furnace building girder 主大梁
- main teaching building 主教学楼
- main station building 主厂房 返回 main building