The one extra unit was for their gift shop and they LOVE it.
一个额外的单位是为他们的礼品店，他们喜欢它。
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 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。
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。
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