Wéi / xiū / rén / yuán / yòng / duō / gōng / néng / biǎo / jiǎn / chá / xiàn / lù / shì / fǒu / zhèng / cháng

维修人员用多功能表检查线路是否正常。

The repair technician uses a multifunction meter to check whether the wiring is working properly.