环磷酰胺

Tastevin, tasting cup . A small shallow cup usually of silver used by a wine waiter for tasting wine.

点落不透明品尝杯：侍酒师用于品尝葡萄酒的小而浅的酒杯，通常为银制。

A new distribution is proposed for the sake of the disadvantage of the constant circulation at present. The axial velocity in fornt of the blade intake along the radius reduces linearly, and the velocity trendline behind the blade export is close to parabolic curve, but the circulation should be decided by designers.

文中还对轴流泵设计有重要影响的流型进行了全面的分析和研究，指出现有等环量流型存在的不足，提出了改进流型设计：轴面速度在进口边前直线下降、出口边后呈抛物线分布、环量的分布规律由设计人员给定。