Therefore, they built their own inside an aircraft hangar-sized cave complete with classrooms and playground.
他们在一个机库大小的山洞里修建了自己的学校，包括教室和操场。
Maintenance standards for civil aircraft. unit 3: ground maintenance facilities. part 71: maintenance hangar.
民用航空器维修标准。第3单元：地面维修设施。第71部分：维修机库。
Maintenance standards for civil aircraft. unit 3: ground maintenance facilities. part 71: maintenance hangar.
民用航空器维修标准。第3单元：地面维修设施。第71部分：维修机库。
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