A planetary gearbox for a Marine propulsion unit or an earth moving unit, comprises a hollow wheel gear 1, two or more planet gears 2, and a sun gear 3.
一种用于船舶动力装置或土方运输装置的行星齿轮箱，其包括空心齿轮1、两个或更多行星齿轮2以及太阳齿轮3。
For instance, in a device with two gears, if one gear is twice the size of the other, the ratio would be 2:1.
例如，两个齿轮的传动机构中，如果一齿轮的尺寸是另一齿轮的两倍，那么传动比就是2：1。
The findings might reveal in part how the minds of our distant ancestors shifted gears(2) to embark(3) on the road toward humanity.
这些发现也许能在一定程度上说明我们的远祖是如何转舵走上“人性”的道路。
These drive the central propeller shaft through bevel reduction gears with a 2:1 reduction.
这些驱动器，中央螺旋桨轴通过减少锥齿轮2：1减少。
The pics do however show the gears in a 2 speed reel and also why you should at least rinse your reel properly and grease it.
但显示的照片做在2速度卷轴的齿轮，也就是为什么你应该至少冲洗你的卷轴正确和油脂的。
The differences in the sizes of these respective gears and steps is what generates the different gear ratios in the 2 speeds.
在这些各自的齿轮和步骤的大小的区别是什么造成在2速度传动比的不同。
In the classic 2 speed gear mechanism, there are 2 main gears (the gears that mate to the handle shaft).
在经典的二速齿轮机构中，有2(齿轮的搭档手柄轴)的主要装备。
Slip gears of No. 2 lifeboat not in correct position.
号艇自动脱钩设备位置不对。
Slip gears of No. 2 lifeboat not in correct position.
号艇自动脱钩设备位置不对。
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