The paper expounds how to rebuild bridge ship-unloader with self-traveling trolley using AC variable frequency control as well as the development history of unloader and its electric control technology.
文章介绍了在宝钢桥式自行小车式卸船机中应用交流变频控制系统的改造方案,简述了卸船机机型及其电控技术的发展历程,分析了自行式小车在交流变频改造中的重点和难点问题,然后对攻克方法进行了重点阐述,并给出了现场运行的结论。
Fault analysis and improved design of stepped dolly of transport billet setup
走钢机行走小车的故障分析与改进设计
A steering radius arithmetic was put forward in this paper and a steer model of automatic vehicle based on steering theory was built.
在转向理论的基础上提出了转向半径的适时算法,建立了自走车辆转向数学模型,提出了步进电机控制转向过程的两阶段及三阶段转向控制算法,并利用Matlab对转弯过程进行了仿真试验,为实现自走车的转弯控制程序开发奠了基础。
Rig GFC-120 is a kind of self moving reverse circulation rotary rigs.
GFC-120型钻机为自走式动力头回转反循环钻机,用于降水井和护坡桩基础孔以及小型水井的施工。
Aimed at the problems of medium and small scale self moving grain reaping machine occurred at present in our country,the author analyzed the key parts capacity that influenced threshing,separating and choosing of the grain,finished the new design calculation,put forward the improving scheme, performed the comparative test and pay attention to the integrality of the design.
针对目前国内中小型自走式谷物联合收割机中存在的问题 ,对影响脱粒、分离、清选等关键部件性能的因素进行分析研究 ,并重新设计计算 ,提出改进方案 ,进行对比试验 ,同时注重整机设计的完整性 ;在此基础上 ,开发设计出一种新的 4L3A型自走式谷物联合收割机 ,大大提高了自走式谷物联合收割机的工作能力和性能指
Fault analysis and improved design of stepped dolly of transport billet setup
走钢机行走小车的故障分析与改进设计
The traffic crawled along at ten miles an hour.
车辆缓慢地行进，每小时走10 英里。
When she came to a small bank, she saw a car.
当她走到一家小银行门口时，看见了一辆小汽车。
a small locomotive used to move cars around but not to make trips.
不能进行短途旅行的用来推动车到处走的小的机车。
As the roads were so icy, the cars were going along very slowly and carefully.
路上结了许我冰，车辆行走十分缓慢，十分小心。
The woman pushed the perambulator dong the pavement.
那女人推着小儿摇篮车，沿着人行道向前走着。
self-propelled belt tripper
自动推进皮带走行车
His bicycle have is steal.
他的自行车被偷走了。
ride a pony, bicycle, etc
骑小马、 自行车等
Just drive me around.
开车带我四处走走就行了。
I had to dismount and walk, maneuvering the bike on foot, up and down hills, on potentially ankle-Breaking terrain.
我不得不下车步行，边走边小心地推着车，在那随时都可能崴脚的地面上，上上下下地爬坡。
No sooner had his luggage been loaded than the jeep started off.
他的行李刚一装上车，吉普车就开走了。
A small frame on casters designed to help support a child learning to walk.
学步车一种帮助小孩学走路用的小扶车
Simple tasks, such as getting her ticket stamped, her luggage weighed, had to Be carried out carefully as a walk on a tight rope.
一些极其简单的事，象车票签证，行李过磅等小事，都必须象走钢丝一样小心翼翼地去做。
A station wagon in the shape of a small bus.
中客车小型公共汽车式的旅行车
A walk or path for pedestrians.
人行道供步行者行走的路或小道
Then for two hours I kept walking in that dark train tunnel.
我在漆黑的火车隧道里行走了两个小时，最后我终于看见了远处的一丝光亮。
When you stand on the top of the hill, and then look the smaller villages and the city; Looing the bus run as beetles, and what is your feeling?
当你站在高高的山顶上驻足登看那渺小的村庄、市；看那汽车像甲壳虫那样行走时，你有什么感想？