During requirement analysis (e.g., decomposition and flow-down), new requirements are created by derivation.
在需求分析阶段(例如，分解与细化)，依据来源创建新的需求。
In parallel installations, the larger valve handles the requirements for maximum flow down to its low flow capacity.
这种并联安装方式中，大阀门处理降到低流量空穴下的最大流量需求。
In parallel installations, the larger valve handles the requirements for maximum flow down to its low flow capacity.
这种并联安装方式中，大阀门处理降到低流量空穴下的最大流量需求。
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