rack rod造句
造句与例句手机版
- Standard test method for determining the protective performance of a shield attached on live line tools or on racking rods for electric arc hazards
测定带电线路工具或齿条上用于防电弧伤害的护罩的防护性能的标准试验方法 - It's difficult to see rack rod in a sentence. 用rack rod造句挺难的