它的发展趋势是强调舒适浪漫的款式，圆滑均匀的视觉，各种材料的混合使用和方便穿脱的结构设计。
It is the development trend of emphasis on comfort romantic style, sleek uniform vision, various material mixed use and convenient to wear off structure designing.
由于群井连通法岩盐开采量大，采出卤水浓度大，溶腔形状比较均匀，目前成为了国内外水溶采矿的一种发展趋势。
Making use of multi-well method, the quantity of rock salt mining is more, the concentration of brine is higher, and the shape of cavity is regularer than others.
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