The buildings have a structural frame made of galvanized steel and are clad in corrugated sheet metal painted black.

建筑采用了镀锌钢制成的结构框架，并且框架都包裹上了黑色波纹金属板。

youdao

To create the dark metal finish on the two upper levels, these blocks are clad with Galvalume - a type of steel sheet that is coated with an aluminium and zinc alloy.

为了在上两层创建黑色的金属饰面，这些体块都包裹了铝锌合金镀层——这是一种镀有铝锌合金的钢板。

youdao

The clad metal sheet has been produced by a proprietary roll bonding process.

这种金属复合板是采用特殊的轧制复合工艺加工而成的。

youdao