medium-tension distribution line
/ˈmiːdiəmtˈɛnʃən dˌɪstɹɪbjˈuːʃən ˈlaɪn/
n
中文：中压配电线
Meaning：Overhead line that distributes electricity at a voltage between 750 and 50,000 V; its conductors are located at the top of electricity poles.