查询词典 vacuum

If instruments are needed for the delivery, a vacuum extractor is less likely to lead to an episiotomy than are forceps.

如果文书所需要的交付，真空萃取，是不太可能导致一会阴切开术比钳。

In this paper, we have briefly introduced near-axis properties of passive axisymmetrical eiectrostatic field in vacuum,have presented the basis of dvawing equipotential line and have simultaneously given specific method procedure and example, Finaly, the function of quatitative analysis in the electron-optical systems have been pointed out.

文中简要地介绍了真空中无源轴对称静电场的近轴性质，提出了描绘等位线的依据，给出了具体方法、步骤与实例，指出了其在电子光学系统定性分析中的作用。

The structure,voltage-dividing theory and design method of the load were presented. The influence of skin effect on the load's resistance in high frequency was analyzed. The distribution of electric-field intensity in the load and vacuum cavity was calculated. The equivalent capacitance and inductance of the load were calculated,of which the influence on the output waveforms was simulated using Pspice program.

介绍了电阻分压器型负载的结构、分压原理和设计方法，分析了高频作用下趋肤效应对负载阻值的影响，计算了负载和真空腔内的电场强度分布以及负载的等效电感和等效电容，利用Pspice程序模拟了回路参数对输出信号的影响。

Ranges:0～0.06…60 Or equivalent other Units of pressure or vacuum Standard ranges.

测量范围：0～0.06-60MPa或其它压力或真空单位的对等标准范围。

The Company was incorporated in the name of Standard Vacuum Refining Company of India Limited on July 5, 19521962:On 31st March,1962 the name was changed to ESSO Standard Refining Company of India Limited.

巴拉特石油公司是印度第二大石油公司，也是印度第一个拥有高级信息处理设备并在信息技术方面处于领先地位的国有企业。

We would not have a vacuum due to the withdrawal of Ethiopian troops," he said."

我们不会有一个真空由于埃塞俄比亚撤军，"他说。"

Our factory produces the petrochemical industry equipment mainly, such as the tower equipment, reflecting the cauldron (electricity heating , steam heating type ), fermented pot; GXZ membrane evaporimeter , crystallization pan of rotating etc., spray desiccator, heat exchanger wait for; Pharmacy , Chinese patent drugs production line , oral liquid production line ; Response pan kind like multi-functional to draw pot, outside circulate evaporimeter , high-efficient person who concentrate , is it precipitate pot , alcohol retrieve tower , vacuum drying cabinet , mixer , disinfect , etc. to freeze.

本厂主要生产石油化工类设备，如塔类设备，反应釜、发酵罐；GXZ旋转式薄膜蒸发器、结晶锅、喷雾干燥机，换热器等；制药、中成药生产线、口服液生产线；反应锅类如多功能提取罐，外循环蒸发器、高效浓缩器、冷冻沉淀罐、酒精回收塔、真空干燥箱、混合机、杀菌等。

To the right is the vacuum ejector steam exhaust and behind that the superheater hot and wet steam headers with the steam outlet union and pipe.

而右边是蒸汽喷射真空排气和背后的过热器热湿蒸汽出口与工会和管道蒸汽头。

Will manually, auto-switch to automatic, so that exsufflation switch exsufflation State, press the vacuum button T1, at which point the exhaust from the aliquation exposure done automatically.

不兵手不静、自不静开关不扎到自不静状况，让排气开关处于排气状况，按不静抽真空按钮T1，此时从呼气曝光排气自不静达成。

Just drag the vacuum out of the house, using an extension cord if necessary.

真空刚刚拖出门，如果有需要使用延长线。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐