gauge port

用法例句

Combined with the present situation of the frequency characteristics of the railway communication in China,the paper analyzes the functions of the MS371A communication instrument imported from Japan, and proposes its specific application methods.

本文结合我国铁路通信音频特性实情，对引进日本ＭＳ３７１Ａ通信仪表进行分析，提出了具体的应用方法，并运用于实践。