A.19 B.16 C.12 D.9
A.工程師(技術(shù)員) B.司鉆 C.副隊(duì)長(zhǎng) D.井架工
A.司鉆(或副隊(duì)長(zhǎng)) B.司鉆(或隊(duì)長(zhǎng)) C.副隊(duì)長(zhǎng)(或工程師) D.外鉗工(或司鉆)