wall opening

基本解釋

Badaling Great Wall is located in the south of Yanqing County, 70 km away from Beijing city. It is the first section of the Great Wall opening to public.
八達(dá)嶺長(zhǎng)城位于延慶縣城南部，距北京市中心70公里，是開放最早的一段長(zhǎng)城。
www.coohotel.com.cn
CAUTION: The controller is not free standing! The controller must be secured to the floor or wall before opening door or operating.
注意：控制裝置并不會(huì)直立不動(dòng)！在開門或操作之前，務(wù)必要將控制裝置安全固定在地面或墻上。
Strain analyzing shows that the ending columns and connecting beams play a more important role in the wall with opening.
鋼筋應(yīng)變分析表明外框柱、連梁對(duì)開洞墻體的受力性能貢獻(xiàn)較大；

Plus could not fit through their rock-wall opening.
NEWYORKER: Tenth of December
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