nm mm 中文意思是什麼

nm mm 解釋

The gas field in pemfc means the gas distribution in gas source, gas inlet tube ( scale of m ), gas - blower, gas manifold ( scale of cm ), channel ( scale of mm ), diffusion layer ( scale of um ), hydrophobic layer and catalyst layer ( scale of nm ). the aim of changing the scales is to make oxygen reach reaction area as evenly as possible

Pemfc的氣場指在氣源、進氣管（分米級）、風機、進氣箱（厘米級）、流道（毫米級）、擴散層（微米級）、疏水層（亞微米級）、催化層（納米級）中的氣體分佈，每一級尺度的變化是為了氣體的進一步均勻化。