advangtages

常见例句

• PVC insulated PVC sheathed power cables have the advangtages of not only good electrical properties and chemical stability, but also simple construction and convenient to use.
  聚氯乙烯绝缘聚氯乙烯护套电力电缆具有良好的电气性能和化学稳定性能，结构简单，使用方便。
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