bituminous transistor paint的意思|示意

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沥青晶体管漆

沥青晶体管漆 ... bituminous slate 沥青石板瓦 bituminous transistor paint 沥青晶体管漆 bituminous varnish 沥青清漆 ...

沥青半导体漆沥青半导体漆_Bituminous transistor paint 潮气固化型聚氨基甲酸酯树脂_Polyurethane resin (wetcuring type) ..