A.高檔 B.中檔 C.低檔
A.值班隊(duì)長(zhǎng) B.跟班隊(duì)長(zhǎng) C.技術(shù)隊(duì)長(zhǎng) D.主管隊(duì)長(zhǎng)
A.30 B.40 C.50 D.60