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[问答题] 造成液压储能筒中油下降的因素有哪些?

The apparent wind can be zero when the true wind is from(). ["ahead and equal to the ship's speed","astern and equal to the ship's speed","ahead and equal to twice the ship's speed","astern and equal to twice the ship's speed"] Who is in charge of the main engine?() ["The chief engineer","The second engineer","The third engineer","The fourth engineer"] 自上而下分解法常常被视为构建()的常规方法。 ["WBS","PBS","OBS","ABS"] 以下做法不能实现的是()。 ["在插入组件上选择字幕,可以实现滚动的字幕条","在菜单上选择图片的视频可以播放AVI的文件","在菜单选择插入音乐,可以实现背景音乐","在插入组件上选择按钮,可以实现动态按钮"] 根据全球风能理事会的统计,2015年我国累计装机容量不但大幅度领先第二名的美国,而且超越整个欧盟,占全球市场份额的32.6%。 2017年2月23日,国家能源局发布信息称内蒙古、新疆、甘肃等6省区不得核准建设新的风电项目,其原因是这些省区() ["风力资源枯竭","风电过度发展","输电能力不足","能源需求减少"] 造成液压储能筒中油下降的因素有哪些?
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