working length的例句大全

Objective: To observe the accuracy of electronic method ( EM), handing method ( HM) and X-raying method ( X-RM) in measuring root canal working length.

目的：比较电测法、手感法和拍片法测定根管工作长度的精确性。

A infrared thermoviewer was used to measure the external root surface temperature before the obturation and at the point the obturation to the working length.

用红外成像仪测定根管充填前离体牙牙根表面的温度，热牙胶进入根管并到达根管工作长度时再次测定根管表面温度，前后的差值代表根管表面温度的变化。

The experiment group for 102 cases with 180 roots, applying root length surveyor test its working length, undertake root preparing and filling up, took X ray after operation;

实验组102颗牙180个根管，用根管长度测量仪测量其工作长度，进行根管预备和充填，术后拍片；

EAL can measure the working length accurately at the reading "Apex" in every age group.

根管长度电测仪所测“Apex”处读数可以作为各年龄组准确测量根管工作长度的参考读数。

Results The standard working length was obtained in 95 % teeth with electronic apex locator.

结果根管长度测量仪测定的结果95%为标准长度.

Using ratch cam intermittence shut-off mechanism, keeped parts on a carrier, and shut off after punching a certain length, through the concrete example, the structure principle, working process and design points of the ratch cam intermittence shut-off mechanism were introduced.

应用棘轮凸轮间歇切断机构，将制件留在一条载体上，构成一定长度后再切断成条状，通过具体实例，从棘轮凸轮间歇切断机构结构原理、动作过程、设计要点等方面作了介绍。

To make the dust consistency in working environment down and shorten the length of service will be decreasing the incidence of pneumoconiosis.

降低作业环境粉尘浓度，缩短接尘工龄，可以减少尘肺病的发生。

We analyzed the winding configuration and chose the regular octagon form and also studied the relationship between the driving voltage and working distance about the PI-cantilever, which aimed at optimizing the structure of the PI-cantilever in length, width and thickness.

给出合理的线圈宽度与间隙宽度，提出了八边形的线圈绕组结构，计算得出PI膜悬臂梁光开关驱动电压与工作距离的关系，并对悬臂梁长度、宽度、厚度进行优化。

Staff sex, marital status, income situation, the enterprise property, title of professional commitment level is not significant; influence Employees, working time length cultural degree in professional commitment level there was a significant difference.

员工性别、婚姻状态、收入情况、企业性质、职称级别对职业承诺影响不显著；员工文化程度、工作时间长短在职业承诺水平上存在显著差异。

This design can accurate adjustment the length of outside slot round working thus, accurate regulate a purpose of sowing the quantity which constitute of compress spring coil and regulate a hand handle.

由压缩弹簧和调节手柄组成的播量调节装置能准确控制阻塞轮的位置，从而改变外槽轮的工作长度，达到能够准确调节播量的目的。

Static heavy load test of over-length drilled pile is carried out by taking prestressed working pile as part of anchor system, the test equipment is set up capable of heavy weight loading.

利用工程桩作为锚桩，并在反力系统中充分应用预应力技术，建立了大吨位静载试验装置。

The primary factors for influencing working space are analysed. The restriction conditions are deduced, such as parallel bar length, motion fit corner, parallel bar interference and framework restriction.

分析了影响工作空间的主要因素，推导出并联杆长度、运动副转角、并联杆干涉和结构限制等的约束条件。

This system composed of a spatial filter and a focusing objective lens with long working distance ( l9mm) and short focal length ( f0 ≤ 3. 25mm).

它由一个具有一定倍率的空间滤波系统和一组短焦距、长工作距离的聚焦物镜组成。

The effective focal length and back working distance of the system are respectively 100 mm and 113 mm, while the F number is 2.0.The system which has only three lenses contains two negative germanium lenses and one positive zinc selenide lens.

该系统全视场为14°，有效焦距为100mm，后工作距为113mm，F/2.0.系统采用锗和硒化锌两种材料，为三片镜结构。

During the working of paper cutting machine, both the speed of drawing paper and the revolving speed of cutter decide the length of paper.

在切纸机工作过程中，纸辊的拉纸速度和刀辊的旋转速度共同决定了切下纸张的长度。

For simulated firing device that its barrel length is 5~ 6 times as that of conventional large caliber gun, there are larger deviation between theoretic calculation result of recoil brake working chamber pressure and tested data.

对某身管长度是常规大口径火炮身管长度的5~6倍的模拟发射装置测试后发现，驻退机工作腔压力理论计算结果与测试数据之间存在较大偏差。

In addition, analytic expression of the waist spot size and working distance of output Gaussian beam were derived, and the influence of coreless fiber and GRIN fiber ′ s length upon fiber-lens parameter was discussed by numerical simulation results.

推导了出射高斯光束的束腰半径和工作距离的解析表达式，进而对该光纤透镜做了数值模拟，讨论了无芯光纤和GRIN多模光纤的长度对光纤透镜参数的影响。

By improving working method, blocking rock mass fissure or fractured belt by mud, enabling water level in drill hole to rise when filling water, the actual length of test hole can extend and drill hole ratio is improved.

通过改进工作方法，利用泥浆堵塞岩体裂隙或破碎带，使灌水时孔内水位能上升，测试孔段加长，提高了测孔率。

The calculated result from an example shows that the stable sectional area reduces with the increase of working head, or the decrease of the tailrace tunnel length.

计算结果表明，尾水调压室断面面积随水轮机工作水头的增大或尾水洞长度的缩短而减小。

Actual example analysis indicate that the roof motion over the working face take on typical chaotic character, its chaotic degree along the direction of the working face length is closely related to the roof break law and its structure feature.

实例分析表明：综放工作面覆岩运动呈现出典型的混沌性态，沿工作面长度方向上的混沌程度与顶板破断规律及结构特征密切相关。