螺纹

The newly developed products: welded joints, male connector, such as gas and natural gas pipelines and accessories.

新开发的产品有：焊接接头，螺纹接头等煤气，天然气管道配件。

Diameter drill pipe design for the 60.3 mm, for the 1524 mm long with a cone-shaped male connector, commonly known as EF / N-type drill pipe.

钻杆设计直径为60.3mm，长为1524mm带有锥形螺纹接头，通称EF/N型钻杆。

Must be familiar with general measurement technique, such as Caliper, Micrometer and Gauges etc.

熟悉一般测量器具的使用，如游标卡尺、千分尺及螺纹规等。

The major existing production equipment including punch 23 Units, Compressor Units 3, 6 Units Tapping Machine, Spot Welder 3 Units, Units 1 shears, ultrasonic degreasing machines Units 1, 3 Units drilling, milling Units 3, line cutting machine 7 Units, 5 Units grinder; testing equipment mainly has caliper, micrometer, projection machine, thread plug gauge, height and so on.

现有主要生产设备包括冲床23台，空压机3台，攻牙机6台、点焊机3台，剪板机1台，超声波除油机1台，钻床3台，铣床3台，线切割机7台，磨床5 台；检测设备主要有卡尺、千分尺、投影机、螺纹塞规、高度规等。

With water at 20 °C 2measuring tube connection 3PVDF with magnet, monostable and bistable

介质为水，20℃ 2测管连接螺纹 3 PVDF磁性浮子，单稳和双稳态均可使用

The invention relates to a nut (10) comprising an outer body (16) with an axial passage (22), an inner body which can be movably placed in the passage along an axial direction and which is divided along said axial direction into at least two jaws (18, 20), each jaw bearing an inner thread segment (24) on its radial inner surface, first guiding means (26) located on the outer body, as well as second guiding means (30) located on the jaws and co-operating with the first guiding means so that the jaws are radially displaced towards the exterior when the outer body is displaced in the unscrewing direction relatively to the inner body et radially displaced towards the inside when the outer body is displaced in the screwing direction relatively to the inner body.

本发明涉及一种螺母(10)，它包括：一个带轴向通孔(22)的外体(16)；一个内体，位于通孔(22)中，可沿轴向移动，并且沿所述的轴向方向至少分成两个滑块(18、20)，它们各自在其径向的内表面上具有内螺纹部分(24)。在外体上有第一导向装置(26)，同样滑块上有第二导向装置(30)，第二导向装置与第一导向装置共同起作用，所以，当外体相对于内体沿旋松方向作相对滑移时，滑块径向地向外滑移，并且，如果外体相对于内体沿拧紧的方向滑移，则滑块径向地向内滑移。

The shaft of the ceremonial mace is the whorled tusk of a narwhal, a small Arctic whale. The door handles are of walrus tusk.

仪式权杖的螺纹杆是用一种小型的北极独角鲸的牙齿制成的，而门柄也是用海象的牙齿制成。

Town gas and natural gas pipeline, flanges and internal threads used to connect the needle valve.

城市煤气和天然气的管路上，选用法兰连接和内螺纹连接的针型阀。

A self-drilling anchor (10) for use in a friable material (1) comprises a body (12) having an axis (13), a flanged rear end (14), a drilling front end (16) and a generally cylindrical portion (18) therebetween having an outer surface (20) with a thread (22) disposed thereon, wherein the body forks, beginning at a predetermined distance from the flanged rear end, into a first leg (24) and a second leg (26), the first leg extending forwardly into a drilling tip (28) and having a generally rearward facing shoulder (30) angled obtusely outwardly with respect to the axis, wherein the body (12) has an axial bore (32) for receiving an elongate fastener (2), the axial bore (32) extending substantially through the flanged end (14) and the generally cylindrical portion (18) and leading to the generally rearward facing shoulder (30), wherein the anchor (10) has a drilling mode wherein the second leg (26) nests behind the generally rearward facing shoulder (30) of the first leg (24), and an anchoring mode wherein the legs are pivoted apart from one another.

一种用于易碎材料(1)中的自攻螺钉(10)，包括：主体(12)，其具有中心轴(13)、带有凸缘的后端部(14)、用于钻孔的前端部(16)和位于所述后端部和前端部之间的通常为圆柱状的部分(18)，所述圆柱状部分(18)的外表面(20)上布置有螺纹(22)，其中主体从距离带有凸缘的后端部的预定的距离处开始分叉为第一腿(24)和第二腿(26)，第一腿向前伸入钻孔尖端(28)，并且具有相对于中心轴向外成钝角的通常面向后的肩部(30)，主体(12)具有容纳细长状紧固件(2)的轴向孔(32)，轴向孔(32)基本延伸穿过带有凸缘的端部(14)和通常为圆柱状的部分(18)，并且通向通常面向后的肩部(30)，螺钉(10)具有钻孔状态和固定状态，在钻孔状态，第二腿(26)套在第一腿(24)的通常面向后的肩部(30)之后，并且在固定状态，腿彼此转动分离。

Just like oil-pipe body, oil-pipe thread area can produce many kinds of flaws under the sordid working condition.

油管螺纹跟杆体一样，在长期恶劣的工作环境下，会产生各种各样的缺陷。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。