wagon retardar是什么意思

用法例句

With the signal-chip computer control system, automobile blockader can be combined with real-time sale network system.

利用单片机控制系统把汽车挡车器与在线式产品销售网络系统连接起来。

This auto-blockader based on RFID technology,it has a snap images and voice function.

该智能挡车器基于RFID射频识别技术,并且具有图像抓拍和语音提示功能。