它们可能是矩形， 六角形，或任何形状，真的。
这些弹簧可选圆柱，圆锥，凹(沙漏)，凸(桶)或任何形状，以满足您的应用。
These springs are manufactured in cylindrical, conical, concave (hourglass), convex (barrel) or any shape to suit your application and are typically made with round wire.
每面镜子都是定制做的，而且能设计成几乎任何形状或规格。
Each mirror is made to order and can be designed to almost any shape or size.
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