A.2 B.4 C.6 D.8
A.1 B.2 C.3 D.4
A.兼終點(diǎn)端轉(zhuǎn)身檢查 B.組長(zhǎng)并記取分段成績(jī) C.記錄員 D.轉(zhuǎn)身檢查長(zhǎng)