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- standard pitch diameter 分度圆直径
- Hose corrugation designs include Standard Pitch, Open Pitch and Superflex. 波纹软管设计包括标准螺距、开阔螺距和超屈曲型。
- The confusion is solved in conception and manufacture of single and actual pitch diameter. 解决了当前普通螺纹加工、检验中,单一中径与实际中径概念上的混乱和生产中的矛盾。
- The errors of the stand-off measurement and measurement errors made by pitch diameter gauge and ovality gauge are analyzed and compared. 分析比较了紧密距测量以及中径和椭圆度量规测量的误差。
- Briefed in the paper are the characteristics, work principles and operation procedures of the pitch diameter gauge and ovality gauge used to check coupling threads. 简述了用于管接头螺纹检验的中径和椭圆度量规的特点、工作原理及使用方法。
- The principle straightness error of cutting square in work-pieces can be controlled by choosing a suitable pitch diameter of the planetary gear in the machine tools. 选取适当的车头行星轮的分度圆直径，可以有效地控制车方原理的直线度误差。
- Concert pitch is an internationally agreed standard pitch with the A above middle C at 440 vibrations per second, but there have been divergences from this. 音乐会音高是国际通用的标准音高，为高于中C的A音，每秒振动440次，但也存在分歧。
- Using Zr41.25Ti13.75Ni10Cu12.5Be22.5 bulk metallic glass rods of 5 mm diameter, fine spur gear with boss (pitch diameter 6 mm, number of gear teeth 24, modulus 0.25 mm) is fabricated with super-plastic die-forging method under vacuum condition. 以直径为5 mm的zr41.;25Ti13
- In this paper, using Zr41.25Ti13.75Ni10Cu12.5Be22.5 bulk metallic glass rods of 5 mm diameter, fine spur gear with boss (pitch diameter 6 mm, number of gear teeth 24, modulus 0.25 mm) is fabricated with super-plastic die-forging method. 本文以直径为5 mm的Zr41.;25
- This article mainly introduced the igniter plug iron casing crowds the pitch diameter working procedure swaging to design the entire process, it has produced the concrete design method and the step. 本文主要介绍了火花塞铁壳挤中径工序的冷挤压模具设计全过程，给出了具体的设计方法与步骤。
- The resuhs show that the pitch diameter and standoff of threads of casings have an approximative functional relation.That provides a theoretical base for promoting direct measure of pitch diameter. 结果表明，套管圆螺纹中径和紧密距之间具有近似函数关系，为中径的直接测量方法的推广提供了理论依据。
- This paper describes the priciple and method of measuring the pitch diameter of a large diameter sawtooth thread with a single ball,and introduces in detail the measuring device to realize the method. 在普通螺纹中径合格性判定准则泰勒准则的基础上,提出只用螺纹实际中径的测量结果判定螺纹合格性的简单判定方法。
- For plastic part with two_section of different screwpitch screwthread in an axle hole,their common standard pitches are different due to different size of thread. 对同一轴孔内有两段不同螺距的螺纹塑料制品,由于螺纹的大小不一,其常用标准螺距是不相同的,为了采用标准螺纹,便于标准件的购买,对模具结构进行了改进设计,可进行全自动生产。
- On The Standard Pitch Of Huangzhong In The Han Dynasty China 论汉代黄钟标准
- A simple qualification criterion of regular pitch diameter 一种普通螺纹中径合格性的简单判定方法
- Ease methods for determing the pitch diameter of the odd tap thread 奇数槽丝锥螺纹中径的简便测算方法
- There is a standard form of oath used in lawcourts. 法庭中使用的誓词有固定的格式。
- This is one of the standard books on the subject. 这是有关这个问题的权威著作之一。
- It will send you standard form for you to fill out. 它(商标局)会寄给你标准表格要你填写。
- That country came off the gold standard long ago. 那个国家好久之前就放弃金本位制了。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
