光时域反射仪 meaning in English

optical time-domain reflectometer

The products , optical fusion splicer , otdr , light source , optical power meter ， fiber optic cable , operating tools of optics and material , cable blow cable machine ， coupler make station ， are widely used in the field of telecom , unicom , mobile catv , power , railway , petro - chemical , troop , coal , science and research college and etc
公司生产经营的光纤熔接机、光时域反射仪（ otdr ）、光源光功率计、光纤光缆、光缆施工工具及器材、光缆吹缆机、光纤熔融拉锥设备等产品，广泛应用于电信、移动、联通、邮电、广电、电力、铁路、石化、部队、煤炭、科研院校等领域。