可锁固和和密封高气压、高液压设备的螺纹面。
Designed for locking and sealing high pressure hydraulic and pneumatic systems.
用双手大拇指的螺纹面分别按在两侧太阳穴上，其余手指自然放松，弯曲。
Press on the Temple (" Taiyang "acupoint) with your thumbs and flex the remaining fingers into a fist position.
揉捏眼穴脚趾抓地用双手大拇指和食指的螺纹面捏住耳垂正中的眼穴，其余三指自然并拢弯曲。
Both thumb and index finger acupoint pinch the Yan acupoint in the middle of the lobe. And the other three figures natural are draw close to each other and keeping bend.
研究结果表明：接触应力、上扣扭矩、螺纹啮合时的几何约束，是齿面粘扣的力学要点。
The research result states that the contacting stress, thread torque and thread joggle geometry restriction are mechanical points of the sticky thread.
检测圆锥管螺纹基面中径的方法有很多，但测量过程复杂。
There are many ways to measure base-level pitch diameter of cone-shaped thread.
暴露的法兰面和管螺纹应保护好，以避免受到化学溶剂的腐蚀。
Exposed flange faces and pipe threads shall be protected from chemical solutions.
如指定使用外螺纹及内螺纹或榫面及槽面法兰，容器设备口法兰端面应为凹槽型。
When male and female (M&F) or tongue and groove (T&G) type flanges are specified, the nozzle flange facing of the vessel shall be of female or groove type.
当量规套在成品灯(灯头向上)的灯头螺纹上时，灯头中心触点不应凸出量规的X面。
When the gauge is placed over the thread of the cap on a finished lamp, held cap uppermost, the centre contact shall not project beyond surface X.
为了装卡需要，模具上需要有孔，螺纹或者允许不涂层的面。
In order for the tool to be held, there must be holes, a thread or a surface which can remain uncoated.
当量规套在成品（灯头向上）的灯头螺纹上时，灯头中心触点不应凸出X面。
When the gauge is placed over the thread of the cap on a finished lamp, held cap uppermost, the centre contact shall not project beyond surface "X".
另一方面，NPTF螺纹的设计用于保证在整个牙形上产生足够的变形以生成这种机械密封。
On the other hand, NPTF threads are designed to ensure that sufficient crushing of the entire thread form will take place to produce a mechanical seal.
常见的共轭曲面包括齿轮的齿面、空间凸轮的工作面和螺旋面等，其中螺旋面被广泛应用于螺纹、蜗杆、螺杆泵及金属切削刀具等领域。
The common conjugate surface includes tooth surface of gear, working surface of solid CAM, helicoidal surfaces existing in spiral burr, worm, chip flute of cutters, and so on.
该装置不仅适用于不同规格的正弦形波纹式橡胶套而且适用于左(右)旋螺纹式橡胶套的生产，适用面较广。
The facility is widely applied rubber case production for either sine corrugated rubber case production or left (right) spiral rubber case production.
渐开面包络环面内螺纹蜗杆砂轮磨齿，是一种硬齿面齿轮精加工的新型工艺。
Grinding gear with the toroidal involute interior thread worm grind wheel is a new kind of process in hard surface gear finish machining.
当量规套装成品灯(灯头向上)的灯头螺纹上时，灯头中心触点不凸出X面。
When the gauge is placed over the thread of the cap on a finished lamp, held cap uppermost, the central contact shall not project beyond surface X.
设计了能在高辐射环境下工作的、全自动检查核电站反应堆压力壳连接处法兰面主螺栓孔螺纹表面缺陷的设备，解决了自动小车的设备承载和准确定位问题。
To inspect the defects on the screw hole surfaces of nuclear reactor pressure vessel in nuclear power station, an automatic moving table was designed to carry sophisticated inspecting devices.
渐开面包络环面内螺纹蜗杆砂轮磨齿，是一种硬齿面齿轮精加工的新型工艺。
A worm grinding wheel used to grind gear wheel is designed to increase the gear precision.
认为产生粘扣的主要原因是螺纹齿面局部过量的塑性变形，通过变锥度的方式能使接触应力分布规律得到改善，并在现场生产中得到验证。
The results showed that the major cause of thread gluing is over plastic deformation of partial thread face, and that the distribution of contact stress can be improved with the taper mutation, wh...
认为产生粘扣的主要原因是螺纹齿面局部过量的塑性变形，通过变锥度的方式能使接触应力分布规律得到改善，并在现场生产中得到验证。
The results showed that the major cause of thread gluing is over plastic deformation of partial thread face, and that the distribution of contact stress can be improved with the taper mutation, wh...
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