A. Provide standard steel doors and frames manufactured by a single firm specializing in production of this type of work, unless otherwise acceptable to the Royal Commission.

提供的标准钢质门和门框需由同一家专业生产此类产品的企业，除此之外需得到皇家委员会的许可。

youdao

Peer (carefully) through the window-frames and you can see doors hanging from hinges and semi-carpeted floors.

透过窗体结构(仔细的)仔细看，你可以看到由铰链紧锁的门和铺到一半的地板砖。

youdao

Some of these frames simply contain mirrors but others contain displays of accessories, apertures, lighting equipment and handles for the fitting room doors.

这些镜面随机的边框中，有的里面陈列着饰品，有的藏着光设备，或者藏着试衣间门的把手。

youdao

The single-pane windows and the shrunken doors shivered in their frames.

NEWYORKER: Idols

The window frames are empty, doors removed and even the light fittings ripped out.

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