jì / shù / rén / yuán / zhèng / zài / jiǎn / chá / yòng / hù / duān / shè / bèi / yǐ / pái / chú / wǎng / luò / gù / zhàng技术人员正在检查用户端设备,以排除网络故障。Technicians are inspecting the customer premise equipment to troubleshoot the network.