Metal ceiling applied in the past for more public, office space.
金属吊顶在从前更多的应用于公共、办公场所。
If two pieces of metal touch in space, they become permanently stuck together.
如果两块金属接在太空中直接接触，它们将会永久地粘在一起，变成一块。
If two pieces of metal touch in space, they become permanently stuck together.
如果两块金属接在太空中直接接触，它们将会永久地粘在一起，变成一块。
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