把线拉紧。
The pull rod is screwed into the inside thread of the anchor head.
这是钻杆丝扣油，不能用在钻铤丝扣上。
Fisherman, cast, net, pull up, spin, silk, thread.
渔民，投掷，网，拔出，转动，丝绸，线。
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。
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。
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