沿该金属弹性线圈的轴线方向且互相间隔地分布于该具有涂层的金属弹性线圈外周的复数条纬纱束；
A plurality of weft yarn bundles are distributed at intervals in the axial direction of the pipe. The first group of warp yarns spirally wrap on the weft yarn bundles.
沿该金属弹性线圈的轴线方向且互相间隔地分布于该具有涂层的金属弹性线圈外周的复数条纬纱束；
A plurality of weft yarn bundles are distributed at intervals in the axial direction of the pipe. The first group of warp yarns spirally wrap on the weft yarn bundles.
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