1.
He exchanged high gear into low one when driving on a slope
爬坡时，他将高速档换成低速档。
2.
You must use a low gear to drive up the hill.
开车上山你要用低速档。
3.
Use a low gear to drive up the hill.
开车上山用低速档。
4.
Why are low gears important for folding bikes?
为什么低速档对折叠车如此重要？
5.
Large trucks need to gear down going up steep hills.
大型卡车在爬陡坡时，需要换低速档。
6.
You have to change down when you drive up a slope.
当你开车爬坡时，得换成低速档。
7.
Dynamic Simulation and Thermal Analysis of Car Transmission Low Shift Gears
轿车变速箱低速档齿轮动力学仿真及热分析
8.
Take a right at the next corner. The driver downshifted to take the corner.
在下一个拐角向右转。司机调低速档以便转弯
9.
The driver changed down from third to second.
驾驶员将车速从第三档调低到第二档。
10.
Bruce engaged low gear and drove at a terrifying speed.
布鲁斯接上了低档，开车速度令人害怕；
11.
I didn't change down quickly enough, and stalled the motor
我没有快速换成低档，发动机熄灭了。
12.
being the gear producing the lowest drive speed.
处在产生最低驾驶速度的档上。
13.
Min steady speed
直接档最低稳定速度(Km/n)
14.
The lowest gear on a mountain bike, used for very steep climbs.
直译为“老奶奶速比”，山地车上最低一档的速比，用于最陡峭的爬坡。
15.
The transmission gear or corresponding gear ratio used to produce the range of lowest drive speeds in a motor vehicle.
头档，低速齿轮限定机动车辆最低驾驶速度范围的传动齿轮或对应齿轮的比率
16.
A gearing device that causes the output drive shaft to rotate at a slower rate than the engine input shaft.
低档使输出传动轴转速慢于引擎输入轴的齿轮装置
17.
These depend on various factors related to the overall set up of the car, the fuel load variation, low gear revs and high gears revs.
取决于许多车辆的整体状况，诸如载油量的差异、高档位和低档位的转速。
18.
"This action, produced when the overdrive is in operation, drops engine speed about 30 percent without a change of vehicle speed."
当用超速档行驶时,在不改变车速的情况下,发动机的转速可以降低30％。