钢铁表面的锌坏沉积镀层的英文

standard specification for coatings of zinc

• 钢铁:    iron and steel
• 表面:    surface; superfici ...
• 的:    4次方是 The fourth po ...
• 锌:    zinc
• 坏:    bad
• 沉积:    deposit; sedimenta ...
• 镀层:    cladding material; ...