地勤人员的认识 (Ground Handler Training)
基于岗位的认识 地勤人员
https://routespartnership.org/training-modules/translated-materials-e-learning/mandarin-chinese-language-training-materials/57fa4e8e5c974f4d76848ba48bc6-role-specific-training/ground_handlers_chinese_compressed.pdf/view
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地勤人员的认识 (Ground Handler Training)
基于岗位的认识 地勤人员
Ground_Handlers_Chinese_compressed.pdf
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