石油开采或者石油压裂方面是否有稳定的下游客户群？

Fracturing of oil or oil whether it is the stability of the downstream customer base?

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可以说，客户群庞大而稳定，有 专家把此行业称为“大肚子经济”，并认为其具备无限潜力，前景大好。

This means a large and stable base of customers. Some experts name this industry as "Pregnancy Economy", and believe that there is unlimited potential of market with good prospects of development.

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