由于卷绕构成弹簧的钢丝的直径沿钢丝的轴向改变，因此弹簧可以获得变刚度的特性曲线。
Because the diameter of the steel wire forming the spring by winding is changed along the axial direction of the steel wire, the spring can obtain a variable stiffness characteristic curve.
我石笼网厂出产的铅丝石笼选用国内外领先机器设备编织而成的双绞合六边形金属网，钢丝的直径可达2.00 M - 4.00 MM。
I gabion gabion factory produced by double twisted hexagonal wire mesh leading machine woven wire, the diameter of up to 2.00m-4.00mm.
运用该系统，研究了细丝小直径钢丝绳的多种断丝形式与对应于这些断丝形式的信号波形。
The waveforms of the signals detected on six typical types of wire break-off have been investigated with the system developed.
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