A.不蓋底 B.附著力不好 C.開裂 D.嚴(yán)重桔皮
A.涂料調(diào)制不當(dāng) B.生產(chǎn)配料不當(dāng) C.貯存保管過失 D.溶劑小合格
A.120g/m2 B.120g/cm2 C.120g/mm2 D.120g/dm2