挂钩和环形带封闭允许他们单独安装。
The hook and loop strap closure allows them to be individually fitted.
运动件可具 有至少两个圆柱形滚筒以及连接于该滚筒之间的环形带或链。
The moving body may have at least two cylindrical drums and an endless belt connected between the drums.
由于钢丝绳的柔性好，且为标准件，价格比环形带便宜，采用钢丝绳代替环形轧制环型钢带；
For the steel wire have good flexility which is standard component cheaper than metal ring, so we use the steel cable take the place of the metal ring named patch metalV-belt;
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