closed volume meaning in English

闭合气容量
闭合容积

In both cases , the diagonal transversal visions and the crossed illumination bestow quality on the spaces , so that the rooms look like the exterior of the closed volumes ( although they are not )
在你们的建筑中，通过成角的横断面和照明设计，使得建筑的室内看上去是某个封闭体量的外部空间，当然实际上并不是这样。
Besides the routine characteristics , xs series worm gear units adopts the helical gear - worm wheel type to make the structure more reasonable . the series not only has higher transmission efficiency and loading capability than those of single - stage worm wheel transmission , but also reduces space . moreover , under the close volume , the series can obtain higher transmission ratio and is more favorable for equipment setting
Xs系列蜗轮蜗杆减速机除具有常规特性外，该机还采用了斜-蜗轮形式，使结构更加合理化，它不仅改变了比单级蜗轮蜗杆传动具有更高的传动效率和承载能力，而且在结构布局上缩小了空间占地面积，同时在相近体积条件下，能获得更大传动比，更有利于设备的配置，该机能与各种减变速机组合，满足不同的使用要求。