surface low表面凹陷surfacen.表面；外表；平面adj.表面的；肤浅的vt.在 ... 上加表层；使 ... 成平面vi.浮到水面；显露；在表面工作surface metallurgy表面冶金surface applicator表面敷贴器surface ship noise水面舰船噪声surface asperities[电] 表面粗糙surface of the sea海面surface filtration表面过滤surface decoration饰面加工surface durability表面耐久性surface foundation明置基础surface instrument地表仪