题目内容

轨道车进厂大修时,发动机的()除特殊情况外,必须大修。

A. 离合器
B. 变速箱
C. 换向箱
D. 齿轮箱

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全补偿链形悬挂在无偏移温度时,应垂直于线路,温度变化时,腕臂顶部的偏移要和该处承力索伸缩相对应,在极限温度时其偏移值不应超过腕臂水平投影长度的1/4。

A. 正确
B. 错误

刷洗发酵罐停电时,如何处理?

当燃油储量不足时应()。

A. 提高航速尽快抵达加油港
B. 使用油耗率最低的工况,节省燃油
C. 降低转速以节省燃油
D. 除C以外均可

Why was the British government interested in New Zealand?()

A. Trade with New Zealand was economically important.
B. There were no laws to protect Maori rights in dealings with white settlers.
C. The French government was taking an interest in New Zealand,too.
D. All of the above.

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