基本解释[动力与电气工程]跳线线夹英汉例句双语例句The body and jumper clamp are aluminium , the other parts are hot-dip galvanized steel.线夹本体和跳线夹为铝制件，其余为热镀锌钢制件。专业释义动力与电气工程跳线线夹