Bottom Cover Powder Coated Steel Plate.
钢板烤漆压筋。
It is made of extremely rugged heavy-gauge black powder-coated steel.
它是由非常坚固重轨黑色粉末涂层钢板。
Exhaust air from rear side; galvanized steel molding frame, white coated steel cover.
后部排风，镀锌板型材框架，白色彩钢板蒙板。
Steel and iron products are often coated lest they should rust.
钢铁制品常常涂上油漆以免生锈。
Steel and iron products are often coated lest they should rast.
钢铁制品常常涂上保护层以防止生锈。
The construction is prestressed concrete and is coated with steel shell.
整个结构采用预应力混凝土结构，外部包钢壳。
The construction is prestressed concrete and is coated with steel shell.
整个结构采用预应力混凝土结构，外部包钢壳。
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