threaded bottom guide
有螺纹的底部导向鞋
Nuts have internal (or female) threads to match those of the Bolt.
螺母上有内(或阴)螺纹,与螺栓上的螺纹相啮合。
Secondly there is error between thethread roll angles of thread rolling die and drill rod.
滚丝轮螺纹和钻杆螺纹的螺旋角有误差。
all screw threads are according to aNSI B-1.1 coarse thread.
所有螺栓的螺纹都符合aNSI B-1.1粗牙螺纹标准。
gearing with the thread of a worm.
带有螺纹线的传动装置。
The spirally threaded shaft of a worm gear.
螺纹蜗轮的刻有螺旋线的柄
a fastener made by screwing a nut onto a threaded bolt.
在螺栓上有车削螺纹的扣件。
A small block of metal or wood with a central, threaded hole that is designed to fit around and secure a bolt or screw.
螺母，螺帽中部有螺纹用于与螺栓或螺钉相配合的小块金属或木头
Some bobs have a nut under them. The nut turns on a thread cut in the metal of the rod.
一些摆锤下面有螺母，它拧在金属杆的螺纹上。
The threaded holes in the front suspension cradle, if damaged, can repaired by installing a Heli-Coil® thread insert.
前悬吊架的螺纹孔如有受损，可装上Heli-Coil®螺纹套座加以修理。
a threaded fastener used either with a nut or with a tapped hole; slotted head can be driven by a screwdriver.
一种或有螺帽或有塞孔的螺纹扣件；其开槽头可以由螺丝起子钉入。
remove the thread (of screws).
去掉（螺丝钉的）螺纹。
The threads of the screw work hard.
这螺丝的螺纹太涩了。
female-male reducer
两端分别带有内外螺纹的大小头
The stone pillar has a decorating spiral stripe.
这根石柱有一条螺线的装饰条纹。
Finite element analysis of the screw structure of the drill-stem junction
钻杆接头螺纹结构形式的有限元分析
a threaded hexagonal or square-headed bolt with a nut; tightened with a wrench; used to connect metal parts.
一种带有螺母的六角形或圆头螺纹螺丝；用扳手拉紧；用于连接金属。
Pipe threads where pressure-tight joints are made on the threads
GB/T7306-1987用螺纹密封的管螺纹
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