type line短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 指纹的张形; 形线 In the protection setting calculation the network elements of various voltage degree such as single feeding line, T- type line, double feeding line and transformer are considered. 继电保护的整定计算中考虑了各电压等级的供电元件：单回线、 T接线、双回线、变压器等。 cnki