此句不解!请教!关于管道吹扫? To clean and dry air systerms,disconnect the instrument lead lines from the main distribution pipe and allow air to blow through the open lines until all traces of dirt and moisture disappear.这是关于管道吹扫的。不知怎么翻译。同时我想知道这个句子的结构。from...to...是从什么到什么还是?查看更多4个回答 . 2人已关注
翻译中如何处理这几个介词? 关于分析 辛烷 值的ASTM标准 Check standard K.I. by operation on the PRF blend at the compensated digital counter reading for the O.N. of this blend. If the knockmeter reading is within +/-3 divisions of the original reading, record the value and switch back to the sample fuel. If the knockmeter reading is outside the +/-3 division limit, standard K.I. must be reset before again rating the sample fuel. 第一句试译: 通过在此调合油 O.N. 补偿数字 计数器 读数下操作 PRF 调合油来检查标准 K.I. 。(分析人员能看吗?我自己都觉得别忸) 查看更多3个回答 . 5人已关注