cement purdah帷幕截流
grouting purdah灌浆帷幕
underground purdah井下帷幕
purdah grouting基础帷幕灌浆
purdah stake帷幕桩
watertight purdah止水帷幕
purdah panel wall帷幕板墙
N-UNCOUNT（不可数名词） Purdah is a custom practised in some Muslim and Hindu societies, in which women either remain in a special part of the house or cover their faces and bodies to avoid being seen by men who are not related to them. If a woman is in purdah, she lives according to this custom. 深闺习俗; 一些穆斯林及印度社区中妇女闭门不出或出门时用衣服遮住脸和身体的习俗