英德
有道
百度
谷歌
图片
维基
百科
自由轮
free wheel
- 于是各个船厂拼命提高自由轮产量的竞赛开始了。
Eventually, the shipyards created a competition amongst themselves for speed in building a Liberty ship. - 换档执行机构的类型包括滑动齿轮、啮合套、同步器、换档离合器和自由轮，其中同步器是汽车变速器中广泛使用的执行元件。
Shift actuator has five different types, such as sliding gears, gear sets, synchronizer, gear clutch and free wheel. And the synchronizer is widely used in automotive transmission. - 那是因为叶片轮处于极轴的后方并以一定的角度倾斜，这样比逆风涡轮机有更大的自由度来偏离原来的位置。
That is because the blades, being behind the pole and at an Angle to it, can be given more freedom to yaw about than they would have in an upwind turbine.
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