Building materials are mainly old brick, old tile and old door sheet.

主要建筑材料是旧砖、旧瓦片和老门板。

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You can sign up for an appointment on the sign-up sheet outside the door.

你可以在门外的登记表上登记预约。

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As she went up the garden-path she heard her mother singing by the back door, coming in sight of which she perceived Mrs Durbeyfield on the doorstep in the act of wringing a sheet.

在她走进花园小径的时候，她听见了她的母亲在后门边唱歌，接着就看见德北菲尔德太太站在门口，正在拧一床刚洗的床单。

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At TWB Co. a single laser welds steel sheets of different properties into a single raw sheet that Cadillac can have stamped into a door panel without any of its own welds.

FORBES: Man of steel

To get back on track, he vowed to strengthen the company's balance sheet, invest in fast-growing global markets and get more new products out the door in less time.

FORBES: Bill Ford finds that fixing Ford is harder than he thought.