grounding wireˈgraʊndɪŋˈwaiə短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 接地线 Introduced the principle of design and the main performance of railway links up grounding wire with alloy sheath and railway signal links up grounding wire with conductive plastic sheath. 介绍了合金护套铁路贯通地线与导电塑料护套铁路贯通地线的设计原理及主要性能。 dictall