permeance
n. [物] 磁导；浸透；透过
例句
Calculate the water vapor transmission, and permeance as follow.
按照下式计算水蒸气透过率和水蒸气透过系数。
At the same time, the solution to uniform air-gap permeance was analyzed.
同时也对均匀气隙磁导的求解进行了分析。
PET film oxygen permeance ratio is dropped after crystallization through drawing tropism, modified the barrier performance.
经过拉伸取向结晶后的PET薄膜氧气透过率获得下降，改善了阻隔性能。
