Compared with rectangularchamber, the axial expansion velocity is small and radial expansion velocity is big in stepped-wall chamber under the same conditions.
和矩形结构相比,同样的工况下,渐扩结构射流轴向速度较小,径向速度较大。
2
The working chamber is rectangular so as to achieve the maximum of effective volume.
长方形工作室,使有效容积达到最大。
3
The underground chamber remained a secret for nearly 1, 600 years, until an archaeologist noticed rectangular patches of soft clay in the pyramid's floor—a telltale sign of a grave.