警卫控制系统，主要 控制 电梯系统 ，通过422通讯格式完成与电梯系统之间的 通讯协议。-Security control system, the main control elevator systems, through to complete the 422 communication format, communication protocol between the elevator system.
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001621s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 248376 [ RunTime:0.004335s ]
