How many man-hours would it take for you and your company's staff to accomplish the classroom training setup, service and teardown ?
多少工时是否以你们公司的工作人员完成课堂训练体制、服务和拆卸？
How many man-hours would it take for you and your company's staff to accomplish the classroom training setup, service and teardown ?
多少工时是否以你们公司的工作人员完成课堂训练体制、服务和拆卸？
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