顶面层的英文

• top coat

• 顶面:    table; top surface
• 层:    I storey; tier; stratum
• 顶面:    [宝石] table; top surface
• 面层:    blanket; coating; cover coat; coverage; crust; finishing coat; flush coat; mask; mat coat; overlap; overlay; surface coat; surface course; surface dressing; surface layer; surfacing course; top coat; topcoat
• （顶面）平:    flat position weld