spirally twisted bar 螺旋扭状钢筋
Stems sometimes branched, usually spirally twisted, leafy, rarely plants stemless.
茎有时分枝，通常螺旋扭曲，多叶，很少无茎的植株的。
The process for producing an annular, concentrically twisted bead cord (2) includes spirally winding side wires (12) around an annular core (11) to form a sheath layer (13).
该制造方法是通过围绕环形芯（11）螺旋地缠绕侧线（12）而形成套层（13）来制造环形同心绞股胎圈帘线的方法。
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