A.政府部門 B.行業(yè)協(xié)會(huì) C.設(shè)備供應(yīng)商
A.應(yīng)變能力 B.服務(wù)意識(shí) C.心理素質(zhì) D.禮貌禮節(jié)
A.修理完成 B.搶修處理 C.測試合格
A.電話訂房 B.電傳訂房 C.傳真訂房 D.訂房管理
A.Their variable costs are much more than fixed costs. B.Their demand can be segmented into classes. C.There can be substantial fluctuations in the demand. D.They have a relatively fixed total capacity.