所有的吹灰器都应配有正压、密封空气系统至壁箱和圆盘阀。该处空气来自密封空气风机系统。
All sootblowers shall be provided with a positive pressure, sealing air system to wall boxes and poppet valves. This air shall be obtained from the seal air fan system.
文中用BASIC语言编制的程序也适用于梯形箱壁或箱壁虽无孔但局部区域却有较多热量输入的情况。
The program compiled with BASIC language is also applicable to trapezoid wall or that without hole, but with more heat transfer into local portion of the wall.
结合安庆长江公路大桥的施工，介绍大型双壁钢吊箱围堰的设计方法和关键施工技术。
Taking Anqing Highway Bridge over Yangtze River for example, give the design and key construction technology in large double-wall steel cofferdam.
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