permeation 的意思

permeation 的翻译
permeation
释义:
n. 渗透; 弥漫; 充盈
例句:
The permeation constant of gases through metals is negligible except for hydrogen through palladium or iron.
除了氢气能穿过钯和铁之外,气体穿过金属的透气常数是可以略而不计的. 换一句