功能指示螺纹规是为了检验通端的最大材料限度及大小及止端的有效直径限度及大小。
Functional Indicating Thread Gage for inspecting the maximum-material GO functional limit and size and the NOT GO functional diameter limit and size.
通过采用合适的对策，有效预防钻铤螺纹失效，从而保证钻铤螺纹的质量可靠性。
The correct countermeasures are taken to prevent the drill collar screw failure effectively, ensuring the qualitative reliability of drill collar screw.
指出了在工程上选用合理的联接结构和防松措施，可有效地提高螺纹联接的可靠性。
In engineering application, selecting reasonable joint structure and prevent loosing method will effectively enhance the reliability of threaded joint.
其锥形插头或“针头”是阀体上配置的螺纹旋进旋出的节流道，因此能够有效控制节流面积。
The tapered plug or "needle" is screwed in or out of a mating orifice in the body and thus controls the effective orifice size.
内螺纹冷挤压成形是提高内螺纹疲劳强度的有效方法。
Cold form tapping process is an effective method to enhance fatigue strength of internal thread.
针对天线座上螺钉松动的情况，根据螺纹松动的机理，提出有效的防松措施。
Thus effective anti-loosing measures are proposed on the basis of mechanism of screw looseness so as to avoid bolt-loosing in the pedestal.
目的评价EH复合型颈椎螺纹融合器(EHTFC)的有效性和安全性。
Objective To evaluate the effectiveness and safety of the cervical threaded fusion cages of EH composite type (EHTFC).
实践证明，该试验台能有效测试螺纹联接的防松性能。
It is verified through practice that this test-bed could effectively test the anti-loosening property of screw thread connections.
目的探讨自制光索支撑引导行钢丝螺纹管气管内插管在困难气管插管中应用的有效性和安全性。
Objective Explore self-supporting optical cable line guide wire threaded pipe endotracheal intubation in difficult intubation time of the application of the efficacy and safety.
在加工中小直径内螺纹和在难加工材料上攻丝时，普遍存在攻丝扭矩大、螺纹精度低、丝锥易折断、废品率高等问题，而采用低频振动攻丝是解决此问题行之有效的方法。
When tapping the little diameter in the material of difficult processing, there usually exist a lot of questions such as tapping torsion heavy, thread accuracy low, rejecting rate high.
该算法有效地解决了高速螺纹加工过程中丢步、中断嵌套等问题，保证了加工精度。
The algorithm resolved effectively the problem of losing steps or interrupt nesting in the process of screw cutting, and the processing precision can be guaranteed.
结论：经内踝截骨入路空心加压螺纹钉固定是治疗复杂距骨颈骨折的有效方法之一。
Objective: To explore clinical effect of treatment of fractures of the talar neck with hollow compression screw via inner malleolus tomy approach.
结论：经内踝截骨入路空心加压螺纹钉固定是治疗复杂距骨颈骨折的有效方法之一。
Objective: To explore clinical effect of treatment of fractures of the talar neck with hollow compression screw via inner malleolus tomy approach.
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