【摘要】 本文介绍层流实验法率定管径,是用水力学原理通过一个水力实验来率定管径,具有简便精确的优点。更多还原

【Abstract】 The article presents a method to assess pipe diameter through a hydraulic experiemcnt based on the hydraulic principle,which distinguishes itself in simplicity and accuracy.更多还原