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.
八達嶺長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：控制裝置并不會直立不動！在開門或操作之前，務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.
鋼筋應變分析表明外框柱、連梁對開洞墻體的受力性能貢獻較大；

Plus could not fit through their rock-wall opening.
NEWYORKER: Tenth of December
It was trading relatively flat in the pre-market hours, with one hour to go before the opening bell on Wall Street.
FORBES: Trump Buys Stocks, Slams Republicans And Obama
Wall Street rallied from the opening bell Tuesday and never looked back.
FORBES