efficient performance短语⁹⁶⁶⁷⁷⁺⁶ 基本例句 经营效果 The mechanical strength and reliability of solid catalysts and their packed beds are the important factors for the reliable and efficient performance of fixed bed converter reaction systems. 固体催化剂和固体催化剂填充床的机械强度及其可靠性是固定床反应系统整体可靠运行的基础之一。 cnki