基本解釋[機(jī)械工程]透溼系數(shù)詞組短語(yǔ)短語(yǔ)coefficient of moisture vapor permeability 氣透過(guò)系數(shù)coefficient of moisture permeability更多詞組專(zhuān)業(yè)釋義機(jī)械工程透溼系數(shù)