释义 |
保护层 bǎo hù céng 基本例句 covering layermaskantprotection courseprotective layerprotection layercap layerprotecting filmantiabrasion layerprotective coatprotective coveringresistinhibitory coating保護層把补片的保护层揭掉,把补片用力压在内胎上,边缘特别要压紧。Tear off protective backing from patch and apply patch with firm pressure, particularly at edge. |