Now let's take three of the certifications that she received and is required for her to do her work: electrical systems; manual drive, train and axles; and engine performance.

她获取了三个证书，是她工作所需要的：电气系统，手动传动系统和发动机性能。

The axle sleeve is then greased, and the new tire is slid smoothly on.

在轮轴上涂上润滑油，然后把新的轮胎滑上去。

The thirty spokes unite in the one nave; but it is on the empty space (for the axle), that the use of the wheel depends.

三十辐共一毂，当其无，有车之用。

At last, far up the road, she heard the protesting screech of unoiled axles and the slow uncertain plodding of hooves.

后，从大路前头很远的地方，她听见一种没有上油的车轴的吱吱嘎嘎和缓慢而隐约不清的得得马蹄声。

And he noticed that the axle was kind of rusted, which is very dangerous.

他发现了车轴有点生锈了，真危险哟。

In place of an axle, the wheel was suspended between two magnetic forks.

没有车轴，轮悬浮在两个磁力叉之间。

The wheel and axle is made up of a circular frame that revolves around a shaft or rod — a device that, in its earliest forms, was probably used for lifting water buckets from wells.

轮轴是由一个围绕轴或杆旋转的圆形框架组成的——这种装置在其早的形式中，可能用于从井中提水桶。

If you have a front wheel drive car, it's going to be a CV axle, rear wheel drive, all wheel drive car, you're going to have some drive shafts.

如果你有一辆前轮驱动的汽车，那么它要么是传动轴，后轮驱动，全轮驱动汽车，车上会有一些驱动轴。

To make them run easily and swiftly, the axles of carriages are anointed; and for much the same purpose, some whalers perform an analogous operation upon their boat; they grease the bottom.

为了让车跑得又快又轻松，就得给车轴上点油；出于同样的目的，有些捕鲸者对他们的小艇采取了类似的措施；他们给艇底上油。

This wasn't the worst of it, though; he had evidently tried to tame his hair, using large quantities of what appeared to be axle grease.

不过，这还不是的：他显然尝试过把头发理顺，用了大量的机器润滑油一类的东西。

Then, the team sealed up the rings with a chemical reaction to mechanically lock them onto the axles, creating these structures called rotaxanes.

接着，研究组会通过化学反应将环密封，将它们机械地锁在轴上，从而形成了这些称作轮烷的结构。

There must be men to tend them, men as steady as the wheels upon their axles, sane men, obedient men, stable in contentment.

必须有人管——像枢轴上的轮一样稳定的人，清醒的人，驯服的人，安于现状的坚定的人。

Now, it was like the sound of many myriads of chariots rolling on their iron axles down the strong channel of the torrent.

现在，这个场面就像有无数战车的铁车轴碾过洪流似的。

The moving parts that make one side of the wheel heavier also shift its center of mass downward below the axle.

使车轮一侧更重的运动部件也将其质心向下移至车轴下方。

A grindstone is a large stone circular stone with a hole in the middle. An axle fits through that hole.

磨刀石是一种中间有孔的大型圆形石头。孔里会穿过一个轴。

Investigators there found a piece of the exploded rental truck. It was an axle with the VIN number on it.

当地调查人员发现了被引爆的租借卡车的碎片。碎片是一根车轴，上面有车辆识别号。

The axle was basically a rod with bulky ends and two middle bits packed full of electrons, while the slightly-open ring didn't have many electrons.

轴一般是一根两端粗大的棒状物，中间两部分充满了电，而微微张开的环中则不带多少电。

Then, he shortened it to make a better chassis, fixed the axles, and put the wheels on the bike.

然后，他将底盘缩短到更合适的尺寸，加固四轴，并将轮胎安在摩托上。

There's a rear motor version, a dual motor version which has a motor on each axle.

有单电机驱动版本、双电机驱动版本，每个轴上都有一个马达。

It has one motor on the front axle and two on the rear.

它的前轴有一台电机，后轴有两台。