passage diameter meaning in English

通道直径

This author has found the most suitable characteristic dimension to be the equivalent passage diameter .
这个作者发现了更恰当的特性作为当量通道直径。
The paper indicates that the study on mechanism of boiling heat transfer in microchannels does not first - orderly instruct engineering design and appliance , and they are constraints between geometric dimension , passage diameter , number and length efficiency of evaporators , pump power and so on
指出对于微通道沸腾换热的传热机理等的研究对工程设计和应用来讲还没有形成合适的技术指导依据，蒸发器尺寸、通道直径、数目、通道长度、换热效率以及泵功率之间是相互制约的。