On borrowing external service quality evaluation methods, this paper raises internal service quality evaluation model and give some simple statement on its steps.
本文借鉴外部服务质量测评的相关方法，提出了内部服务质量测评的实施模型，并对其步骤进行了简单论述。
providing an external quality assurance programme and reference testing service and supplies to laboratories;
向实验室提供外部质量保障计划和基准监测服务与器材；
Construction quality of internal and external anti-corrosion is directly related to service life of the tubes, and the comprehensive cost of the steel tube is relatively high.
内外防腐的施工质量直接和管道的使用寿命有关，且钢管的综合造价较高。
Developing external markets in downhole service requires well workover operators' higher quality.
井下作业外部市场的开拓，对修井作业员工的素质提出了较高的要求。
Developing external markets in downhole service requires well workover operators' higher quality.
井下作业外部市场的开拓，对修井作业员工的素质提出了较高的要求。
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