如果挠性管从卷筒上放出并停歇时没有施加任何拉力，在这种情况下一段挠性管柱将会采取的自然形状。
The natural form that a section of coiled tubing string will take if spooled from the reel and allowed to rest without any tension applied.
在袋的一个侧面上不能松开地固定一个载体，并且在该载体上可松开地固定一个设置有自粘接层的、用挠性材料制造的段。
A backing is permanently fixed to one side of the bag and a portion, of flexible material, which is provided with a self-adhesive layer, is detachably fixed onto said backing.
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