tractor ['træktə]

tractor的基本解释

n.

拖拉机

• We use tractors to pull farm machinery.
• 我们使用拖拉机牵引农业机械。

tractor所属的单词分类

Farm / 农场 [139]

longhorn  ·  animals  ·  seeds  ·  yak  ·  windmill  ·  wheat  ·  weeds  ·  weeder  ·  water  ·  vegetable

Transportation & Vehile / 交通运输 [297]

two-door  ·  tractor-trailer  ·  stretch limo  ·  side wheeler  ·  recreational vehicle  ·  push cart  ·  power boat  ·  paddlewheeler  ·  motor home  ·  jet pack

与tractor相关的网络例句 [注：此内容来源于网络，仅供参考]

The conclusion is that the maximal gradient: of the tractor skidding trail depends on: the adhesive force while the tractor is uphill without load, when the full loaded tractor is downhill using the engine to brake the tractor and control the tractor velocity, the reliable lubrication of the engine.

结论是：规范关于集材坡道最大坡度的规定，主要由空车上坡时附着力、重载下坡时利用发动机制动且变速器挂低档控制拖拉机下滑速度及保证发动机可靠润滑等因素决定。

Based on the working condition of the tractor, a new type of electric tractor drive system which combines a motor and a gear, and the evaluation index and the calculation method for dynamic performance of electric tractor are suggested; taking an electric tractor drive system as design object, the balance graph of drive-resistance force, climbable gradient under different shifts, and continuous working time are calculation analyzed.

根据电动拖拉机作业特点，提出了一种电动机和变速箱相结合的电动拖拉机传动系统结构方案，并给出了电动拖拉机动力性能和经济性能评价指标以及电驱动系统主要参数的设计计算方法，以基于串励直流电动机的某型号小四轮电动拖拉机电驱动系统为设计实例，计算分析了该电动拖拉机的驱动力-行驶阻力平衡图、不同挡位下的爬坡度以及连续作业时间。

Researches show that the drive force characteristics of the electric tractor drive system based on series DC motor is close the ideal characteristics, the curves are concave, low speed with constant power, and high speed with constant torque; the electric tractor has large working speed under different shifts, but the extensive coincidence speed shows that the variable ratio of the gear is unreasonable; the maximum climbable gradient of this electric tractor is more than 30%, and does not need frequent shift when working for its extensive climbable gradient; there are many influence factors of continuous working time, which the more obvious factors are working speed and working load, the working time increases with the increase of the working speed and working load.2. Simulation researches on the drive characteristic of the electric tractor.

研究结果表明：基于串励直流电动机(来源：ABC21论文网www.abclunwen.com)的电动拖拉机电驱动系统的驱动力特性场接近理想驱动力特性场，其各挡下的驱动力特性是一组下凹的曲线，低速恒转矩，高速恒功率；同一行驶速度下所对应高挡驱动力大于低挡驱动力，这是由电机的调速特性决定的；电动拖拉机各个挡位下具有较广的稳定作业速度范围，但是各个挡位之间速度重合的范围较多，说明所用变速箱变速比与电动机匹配不合理；电动拖拉机最大爬坡度达到30%以上，并且各挡爬坡度变化范围较广，作业过程中不需要频繁换挡；影响电动拖拉机连续作业时间的因素较多，其中作业行驶速度和作业负荷影响最为明显，作业负荷越大，连续作业时间就越短，作业速度越快，连续作业时间就越短。2、电动拖拉机驱动特性仿真研究。

与tractor相关的网络解释 [注：此内容来源于网络，仅供参考]

tractor：牵引车

产品信息:汽车; 汽车配件; 工程机械; 等进出口; 配件进出口; 斯太尔(STEYR)系列; 斯太尔王(STEYRKING)系列; 豪泺(HOWO)系列; 豪骏(HAOJUN)系列; 金王子(GOLPRINCE)系列; 豪运(HAOYUN)系列; 载货车(CARGO); 越野车; 牵引车(TRACTOR); 自卸车(DUMPER);

tractor：拖拉机

拖拉机(Tractor)是一款风靡全国各地的扑克游戏,牌局采用四人结对竞赛,以抢分升级的方式进行,规则简明,极富娱乐性与对抗性

tractor：牵引机

它最早的设计目的是低速农用牵引机(Tractor). 由于采用了portal gear的技术,使得轮轴和传动轴的位置要高于轮胎中心,因此乌尼莫克拥有比一般高机动多用途轮式车(HMMWV)更高的离地距离. 乌尼莫克还使用了柔性车架,

tractor：拖头

这种"拖拉机"分两个部分:即拖头(tractor)和货箱(trailer),拖头与货箱可分离,货箱一般都装备空调系统,可设定货箱内的温度,有利于保鲜运输. 楼主上的图没有一辆是卡车的,除2、6为翻斗车外,其余的都是"拖拉机"(tractor-trailer)).

tractor：abbr. trac; 拖拉机