3522 路线

lù xiàn itinerary; route; political line (e.g. right revisionist road); CL:條|条[tiao2]

检测

jiǎn cè to detect; to test; detection; sensing

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

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