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单选题
878、The minimum jack closed height must be less than the distance between the fitting and the ground when the aircraft is on its wheels:
A
顶起飞机之前,最小的顶升高度必须小于顶块和地面之间的距离。
B
当飞机离地时,最小的千斤顶的高度必须小于接头和地面之间的距离。
C
给飞机安装轮子时,千斤顶的最低闭合高度不能超过顶块和地面之间的距离。
答案解析
正确答案：A
解析：
解析:less than 少于,不到。”when the aircraft is of its wheels”可以直接排除 B。
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