line level短语⁴⁸²²³ 基本例句 传输线信号电平,沿传输线电平,线路电平,行电平 It was discussed that the relationship between the falling point and the depositing peak position of charge on the stock line level and the variation of peak position when the furnace is on blast. 讨论了炉料落点与料面形成堆尖位置的关系和送风条件下堆尖位置的变化。 cnki