loop test短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 环线试验,环路试验,循环检验 Based on the parameters of both the SS8 and the Loop Test Line, the principle for setting the high speed overhead line staggers on curves in the Loop Test Line is proposed. 根据 SS8机车参数和环行试验线线路特点，提出了环行试验线准高速接触网拉出值参数设置的原则。 cnki