A.從船首至船尾,右舷艇為雙數(shù)號(hào),左舷數(shù)為單數(shù)號(hào)
B.從船尾至船首,右舷艇為單數(shù)號(hào),左舷艇為雙數(shù)號(hào)
C.從船首至船尾,右舷艇為單數(shù)號(hào),左舷艇為雙數(shù)號(hào)
D.從船首至船尾,左、右艇的編號(hào)相同
A.30分鐘
B.10分鐘
C.5分鐘
D.3分鐘
A.雙數(shù)
B.單數(shù)
C.隨意
D.無需編號(hào)