她穿了一件蓝色开士米羊绒连衣裙，有些地方还保留着少量的天鹅绒，还有许多钢扣。
She wore a dress of blue cashmere, with small reservations of velvet here and there, and with steel buttons abounding.
设计给简单展开和收回挽回人员和他们的设备有迅速的释放钢扣的环。
Designed to deploy and retrieve personnel by simply clipping them and their equipment to the loops with quick release karabiners.
最常用的是钢扣连接，螺旋连接，能有效将滤布、滤网连成环形，并且使用寿命长，滤布不打皱。
The most common method is clipper and spiral seam. It can connect the filter fabrics and filter screens effectively into ring, long life time, no wrinkles.
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