Break off pieces of the red thread and tie a randomly chosen pair of buttons together by the thread.
用一段一段的红色的线段，把随机选择的钮扣，一对一对地连在一起。
If you break one thread in the seam you can pull it apart.
你只要拆开一针接缝，就可以撕开它了。
The coiled tubing unit, which has unique structural design, can be used to many downhole conventional or special operations, in which there is no need to make up and break out tubing thread.
连续油管装置具有独特的设计和结构，在不起下油管的情况下，可以完成多种井下常规作业和特种作业。
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