A.正車(chē)時(shí)推尾向左;倒車(chē)時(shí)推尾向左 B.正車(chē)時(shí)推尾向左;倒車(chē)時(shí)推尾向右 C.正車(chē)時(shí)推尾向右;倒車(chē)時(shí)推尾向右 D.正車(chē)時(shí)推尾向右;倒車(chē)時(shí)推尾向左
A.船速為零,伴流橫向力最大 B.船速增大,伴流橫向力增大 C.船速為零,伴流橫向力最小 D.船速增大,伴流橫向力減小
A.正車(chē)時(shí)大,倒車(chē)時(shí)小 B.正車(chē)時(shí)小,倒車(chē)時(shí)大 C.正車(chē)或倒車(chē)時(shí)均小 D.正車(chē)或倒車(chē)時(shí)均大