Traffic on I-95 southbound came to a standstill at noon Wednesday when a tractor trailer hauling gravel overturned in Wilmington, Del.
星期三中午特拉华州威尔明顿的一辆运载沙石的拖车翻倒令I-95公路南行方向的交通一度陷于停顿。
A new system allows a combine harvester, say, to send a call over to a tractor-trailer so the driver can unload the grain as and when necessary.
例如，一种新的系统允许联合收割机向牵引拖车发送呼叫，以便司机可以在必要的时候卸载谷物。
Driving a tractor-trailer is not an easy job.
驾驶一辆牵引式挂车不是一项容易的工作。
Tractor trailer wheeled mobile robot system is composed of a tractor and multiple trailers, its motion trajectories are much more complex than that for single body robot.
带拖车的轮式移动机器人系统由一节牵引车拖挂若干节拖车构成，其运动轨迹具有单车体机器人无法比拟的复杂性。
Diagraph spring pneumatic brake valve is widely used as control valve for tractor - trailer braking system.
膜片弹簧式气制动阀作为控制阀已广泛地应用于拖拉机挂车制动系统。
The dynamic loads of engine in tractor-trailer unit are classified into four kinds with frequency structure.
拖拉机挂车机组工作时的动态载荷按其频率结构可分成四类。
Some trucks moving from Chengdu, the provincial capital, to Beichuan, meanwhile, carried less-traditional relief cargo, including five tractor-trailer trucks filled to the brim with loose cucumbers.
一些卡车正从省会成都开往北川，车上装载着非传统的救援物资，包括五辆满载散装黄瓜的大卡车。
This paper presents a path planner in the way of circuit map for the tractor-trailer robots on the basis of equivalent size.
采用电路映射地图进行环境建模，在等效尺寸的基础上对带拖车移动机器人的路径规划进行研究。
In this paper, the methods of dynamic characteristic and random vibration response analysis for the structure of tractor-trailer system are presented.
本文给出拖拉机-拖车系统结构动力特性与随机振动响应分析的实用计算方法。
Officials said at least 10 people are dead after a tour bus hit a tractor-trailer near Palm Springs, California.
美国加州棕榈泉附近一旅游巴士与卡车相撞，官员表示至少已造成10人遇难。
Officials said at least 10 people are dead after a tour bus hit a tractor-trailer near Palm Springs, California.
美国加州棕榈泉附近一旅游巴士与卡车相撞，官员表示至少已造成10人遇难。
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