显然，客户为他们所看的到质量颗粒聚的水平满意。

Apparently, the customers are pleased with the level of granular poly quality they are seeing.

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另外，低学历用户的感知质量与满意度水平均高于高学历用户；(4)不同收入差异。

In addition, low academic user perception quality and satisfaction levels are higher than the highly educated users; (4) different income differences.

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公路服务用户满意度模型是评价公路服务质量、提高公路服务水平的重要工具。

Customer satisfaction model of highway service is a very important tool to evaluate and improve service quality of highway sector.

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