How to utilize gas high-effectively and economically has become the key to develop downstream market.

如何高效、经济地利用天然气已经成为天然气下游市场开拓的关键问题。

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So we have to save time and use it effectively. How to utilize time effectively?

所以，我们必须节省时间，有效率地使用时间。

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So we have to save time and use it effectively. How to utilize time effectively?

所以，我们必须节省时间，有效率地使用时间。

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