黑(hēi)色金(jīn)屬
Ferrous metal
Ferrous metals refer to iron, manga↑↕εnese, chromium and alloys
有(yǒu)色金(jīn)屬
Non-ferrous metal
Nonferrous metals are non-ferrous metals
石油瀝青
Petroleum pitch
Petroleum asphalt is a product of crude ₩÷≥σoil processing
鋅鋁鎂鋼邊框
Zinc-aluminum-magnesium steel frame
Zinc aluminum magnesium stee ™÷←l frame is made of zinc alumi↓♦∞num magnesium materialβ>≈
新型不(bù)鏽鋼模闆
New stainless steel stencil
The new stainless steel st♣♦←encil is made of self-develε±oped materials
新型不(bù)鏽鋼幕牆
New stainless steel δλcurtain wall
The new stainless steel curtain wall i≈ •s made of self-develo σped materials
