Copy url：ac123·net 36365 线路

xiàn lù line; circuit; wire; road; railway track; bus route

检测

jiǎn cè to detect; to test; detection; sensing

中心

zhōng xīn center; heart; core; CL:個|个[ge4]

平台

píng tái platform; terrace; flat-roofed building

介绍

jiè shào to introduce (sb to sb); to give a presentation; to present (sb for a job etc); introduction