1.
To shift a motor vehicle into a higher gear.
换高速档将汽车调至较高速档
2.
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。
3.
automatic mechanical transmission
自动换档机械式变速器
4.
power assisted shift transmission
动力助力换档变速器
5.
automatic selective overdrive
自动换档的超速传动
6.
I grind the gears whenever I change up from third to top. Is there something wrong with the clutch?
每当我从三档换到高速档时，排档就发出嘎嘎声，是不是离合器出了些什么问题？
7.
Give one degree time to act before you start another.
开了一档速度之后，要等它走稳了，再换档加速。
8.
have revolutionized the speed of retrieval of files,
提高了档案管理的速度，
9.
top-gear speed on gradient
上坡时的高档行驶速度
10.
The driver changed up from third to top.
驾驶员将车速从第三档调到最高档。
11.
SEQUENTRONIC, sequential automated 6-speed manual transmission with steering wheel gearshift buttons for SL 350
SL350:电控排档式6档手动变速箱，配有方向盘换档按钮
12.
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。
13.
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。
14.
semi-automatic mechanical transmission
半自动换档机械式变速器
15.
Going up the steep hill, the lorry shifted gears.
卡车在爬陡峭的山坡时换档变速。
16.
You have to change down when you drive up a slope.
当你开车爬坡时，得换成低速档。
17.
YB1501 Electric & Hydraulic Control Full Power-Shift Transmisson Gearing Assembly;
YB1501电液控制动力换档变速箱
18.
The Research and Development of YB1502 Electric-hydraulic Automatic Transmission;
YB1502电液换档变速器研究与开发