Thread a needle with it and take it through the top of the head.
用一根针，把线穿过天使头顶。
And in the thread environment is the head of that link list.
而在线程环境中是该链表的头。
Top view of square head set screw. Selection box represents thread diameter.
方头螺钉的俯视图。选择框代表螺纹直径。
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。
Side view of square head bolt with adjustable thread length.
螺纹长度可调整的平头一字槽螺钉的侧面图。
Side view of square head bolt with adjustable thread length.
螺纹长度可调整的平头一字槽螺钉的侧面图。
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