movable barrack是什么意思

用法例句

Planting techniques of pollutions-free cucumbers in mobile greenhouses in the autumn are introduced from the respects of breeds,pre-sowing,seedling planting,field management and disease control.

文章从品种选择、播前准备、播种育苗、田间管理及病虫害防治等方面介绍了秋季移动大棚无公害黄瓜生产技术。