衬裙和里裙均采用丝绸面料并带有荷叶边，由此形成展开的喇叭形。
Lining and underskirts, both silk and trimmed with flounces, gave fullness to the dress.
为提高工作性能，活塞裙部设计成中凸变椭圆型，立体靠模仿形车削是常用的加工方法。
To improve performs of engine, the piston skirt curve is designed to be middle convex and varied elliptic pattern, copying manufacturing with master piston is commonly used.
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