valuation model短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 评价模式 Then the author comparatively analyzed advantage and disadvantage of BOQ valuation model, also pointed out difference between norm valuation model and BOQ valuation model. 对比分析了工程量清单计价的特点和优点以及定额计价和工程量清单计价的区别。 dictall