公布 中文名称:全壁 英文名称:holotheca 定义:块状复体珊瑚具有的一层共同的鞘膜。 应用学科: 古生物学(一级学科) ; 古无脊椎动物学(二级学科) ; 腔肠动物门(二级学科) 加载更多
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“九龙壁”,建于1756年,全壁用五彩琉璃瓦砌成,两面各有蟠龙九条,姿态生动,反映了我国劳动人民的创造才能。
The Nine Dragon Screen, built in 1756, was made of colorful glazed tiles. The screen, with nine lively dragons on either side, reflects the great creativity of the Chinese working people.
接管和人孔的焊缝应为穿过容器壁的全熔透。
All welds for nozzles and manways shall be full penetration through the vessel wall.
解决锅炉烟气侧严密性和简化炉衬的根本措施之一,是采用全焊膜式壁结构。在炉膛部分,应用膜式水冷壁已有多年运行经验,已作为成熟结构普遍采用。
One of the fundamental measures to simplify a boiler enclosure and to improve its gas tightness is to use the welded broad-fin tube wall construction.
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