rock mass quality classification的用法和樣例：
例句
- To perform the Quality rating to classify the Supplier level.
實施質量分級，按供應商水平分類。 - The model with higher application value can be applied both in the quantitative analysis of storage reliability and in the quality classification of equipment.
該模型既可用於裝備不工作狀態可靠性的定量分析，又可用於裝備的質量分級，具有較高的應用價值。
