求翻译：前小车位于承载小车组的前端，由车体、走轮、前铲、导轮、升降止逸爪等几部分组成；前小车是通过升降爪与推杆的啮合，带动整个小车组沿承载轨道运行。当小车组需要停止时，在停止器或前一小车尾板的作用下升降爪被降下，与驱动链条系统上的推杆脱离啮合，从而使小车组失去动力而停止；是什么意思？

Before the car is carrying the front end of the car group, by the body, take the wheel, before the shovel, and a few parts of the guide wheel movements only Yat claw; before the car by lifting claw and putting the engagement of the entire car group along the bearing track operation. When the car gro

Car is located in front of the Group carry car front-end, and go round the body, and the shovels, rollers, once and for all for the jaw movements composed of several parts, such as; the former trolley is the movements of the jaw and teeth, and putting the whole car driven group along carrying orbit.

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Hosted ex-car at the front of the car group, by the body, wheel, front shovel, idler pulley, Yat claw, lifting several parts; former car through lifting claws and Rod mesh, driving along the entire car group hosts will be in orbit. When smaller units when you need to stop, or stop a car tailgate lif

The first car is located load bearing young vehicle crew's front end, by the chassis, walks turn, front the shovel, the guide pulley, the fluctuation stops the leisurely fingernail and so on several parts to be composed; The first car is through rises and falls the fingernail and throwout lever mesh