The invention discloses a light steel stud, which takes the structure of a channel beam or an I beam, and a preformed opening (22) is arranged on the light steel stud (12).

本发明公开了一种轻钢龙骨，成槽钢或工字钢结构，轻钢龙骨(12)上开设有预留口(22)。

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Al Jazeera claims to beam its main Arabic-language channel into around half of all Arab homes.

半岛电视台声称，他们向约半数阿拉伯家庭播送其主要的阿拉伯语频道节目。

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They then defined the transistor channel using electron-beam lithography, removing graphene outside of channel regions with an oxygen plasma.

然后在氧等离子体中用电子束刻蚀法去除沟道区石墨烯形成晶体管的沟道。

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That was the challenge that the Supreme Court declined to consider this week, leaving intact a lower court ruling that EchoStar cannot beam a local channel outside its home market to consumers who already are served by other local channels.

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