求翻译：轿厢门开、关的变速控制，关门检测，都采用专用的电梯门机控制三相异步电机来实现；而门口障碍检测以及关门防夹都采用红外光幕电梯门探测器来检测；楼层的显示在电梯中时必不可少的，在这里使用干簧管感应器来判断每一层的运动，并用LCD1602显示轿厢位置；轿厢负载采用精密压力传感器。基于这些完备而可靠的硬件选择，设计了一段程序来实现电梯轿厢的控制，基本上能实现电梯轿厢的功能。最后，完成了轿厢的机械结构设计。是什么意思？

To open the car door, off the variable speed control, closed detection, dedicated elevator door control three-phase induction motor; door obstacle detection and close anti-trap elevator door detector to detect infrared light curtains are used; floors essential in the elevator, the reed switch sensor

Car doors open, is closed, the variable speed control, and detection is a dedicated elevator door control 3-phase asynchronous motors, and door-closing as well as obstacle detection, using an infrared light curtain elevator door detectors to detect, and floors in the elevator in the display when the

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