在你移动副翼之前,告诉所有人离开机翼
A.Before you move the spoilers, tell all persons to get off the wings. B.Before telling all persons to get off the wings, you move the ailerons C.Before you move the ailerons, tell all persons to get off the wings.正确答案C
在你移动副翼之前,告诉所有人离开机翼
A.Before you move the spoilers, tell all persons to get off the wings. B.Before telling all persons to get off the wings, you move the ailerons C.Before you move the ailerons, tell all persons to get off the wings.正确答案C