Material: carbon steel, stainless steel, aluminium alloy.
材料：碳钢，不锈钢，铝合金。
I hardly ever know that aluminium alloy could be as strong as steel.
我几乎从来不知道铝合金竟会和钢强度一样大。
The key parts are made of fine quality steel or fine quality aluminium alloy.
主要部件采用优质钢材或高级铝合金制造。
The aluminium-lithium alloy is a new light metallic material.
铝锂合金是一种新型轻金属材料。
Sleel board surface and alloy aluminium edge and door frame.
净化室专用逃生窗采用专用彩钢板面，铝合金封边和门框。
Sleel board surface and alloy aluminium edge and door frame.
净化室专用逃生窗采用专用彩钢板面，铝合金封边和门框。
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