Maintenance standards for civil aircraft. Unit 3: ground maintenance facilities. Part 81: machining shop.
民用航空器维修标准。第3单元：地面维修设施。第81部分：机械加工车间。
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 82: electroplating shop.
民用航空器维修标准。第3单元：地面维修设施。第82部分：电镀车间。
Building and Ground Maintenance - cleaning staffs, janitors, landscapers, pest control workers.
大楼和地面维护——清洁工、门卫、庭园设计师、害虫防治人员。
Building and Ground Maintenance - cleaning staffs, janitors, landscapers, pest control workers.
大楼和地面维护——清洁工、门卫、庭园设计师、害虫防治人员。
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