查询词典 tracing thread

At present, There may existent problems in traditional method of checking and measuring screw thread ring gauge. Based on measured theory, dependability of this way of measurement is analyzed in this paper.

针对我国目前在螺纹环规测量方法中存在的问题，根据其测量原理进行了可靠性分析。

The practical measuring of incomplete inner thread ,using the screw gauge and the special fixture is introduced in this article.

结合生产实例介绍了一种利用定制螺纹通止规和夹具测量不完整内螺纹的方法，并讨论了相关结构的加工精度对测量结果的影响，此方法解决了常规测量法无法用于不完整内螺纹检测的问题。

Bbstract:Bt present, There may existent problems in traditional method of checking and measuring screw thread ring gauge. Based on measured theory, dependability of this way of measurement is analyzed in this paper.

针对我国目前在螺纹环规测量方法中存在的问题，根据其测量原理进行了可靠性分析。

Key words: Length measuring machine; Thread ring gauge; Pitch diameter; Measure; Uncertainty assessing

关健词：测长机；螺纹环规；中径；测量；不确定度

This test by the Chinese-owned scientific research institutions, quasi-measurement, and at the American Petroleum Institute Registration of all types of drilling tool joints, casing and tubing thread gauge proofing, certificate complete, the Register has been proofing regulations in Beijing and API record with the calibration of the workload of regulatory capacity and qualification.

本测试所拥有经中国计量科学研究院校准、并在美国石油学会注册的各类钻具接头、套管和油管螺纹校对量规，证书齐全，其校对规注册号已在北京和API备案，具备了校准工作量规的能力和资质。

Bridge-foot, square boxes, smooth ring plug gauge, thread ring plug gauge, deflection instrument, V-block, such as standards and a non-standard measuring seizure.

桥尺、方箱、光滑环塞规、螺纹环塞规、偏摆仪、V型块等标准及非标准量具检具。

Contents: understand the assembly drawing of a jack and complete detail drawings of a screw thread insert by the assembly drawing.

内容：读懂千斤顶装配图，并由装配图拆画件2螺套的零件图。

The needle and thread is in the drawer.

针线在抽屉里。

Jining-chuen, and Lin have two production bases. November 1997 passed the ISO9002 quality system certification of the assessment, is the largest in Shandong Province, the longest history of production and non-standard thread cutter knives factories, enterprises covering 268 acres and has 660 various sets of processing equipment, fixed assets 25 million yuan.

有济宁和泉林两个生产基地。1997年11月通过了ISO9002质量体系认证的评审，是山东省规模最大、生产历史最长的螺纹刀具以及非标刀具生产厂，企业占地268 亩，拥有各类加工设备 660余台，固定资产2500万元。

The invention provides a thread cutter which is capable of cutting threads by widening front and rear ranges where the threads may be cut and shortening the remaining threads in compliance with the position of the terminal of a seam.

本发明提供一种缝纫机的切线装置，扩大了能够切断缝线的前后范围，与针脚的终端位置吻合，使剩余线短并可切断缝线。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48