By IP PBX technology and soft exchange

　
英 美
  • 技術(shù)與軟交換

By IP PBX technology and soft exchange的用法和樣例：

例句

  1. We also observed the phenomenon of soft segment enrichement on the surface of SPU film by IGC, and the results were compared with those obtained from the ESCA experiments.
    苯及幾種烷烴和聚醚氨酯的偏摩爾混合熱和它的溶度參數與軟段組分的溶度參數差值有關(guān)。
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