center vent是什么意思

网络释义

用法例句

The reasons of the central hollow formation inside Ni-base alloy ingot from electro-remelting with slag pool are analyzed and the mechanism of the central hollow formation is discussed.

分析Ni基合金重熔铸锭中出现中心气孔的原因,探讨中心气孔的形成机理。

The present range of boring machine can not meet the needs processing the center hole of shovel cradle.

现有镗床的加工范围不能满足电铲底座架中心孔的加工,在摇臂钻床上加装专用刀杆扩大其加工范围,完成电铲底座架中心孔的镗削加工。

Some instances of machining center holes are introduced in this article.

介绍了中心孔加工中常出现的几种情况,针对每种情况的原因和导致的后果做了分析,并提出了解决方法,可谓中心孔加工的一个全面总结。

The classification of center hole and its range of application are briefly introduced.

对中心孔的类型、应用范围做了简要介绍。

The updated mathematic models for calculation of the central pipe formotion in continuous cast billet are built up, based on the material balance and the previous published models.

通过物质平衡原理讨论并新建立了计算方坯中心缩孔的数学模型。

for the simplified case of a center circular hole in a tension orthotropic finite-width strip, the deduced expressio.

当偏心度取为零,即变为有限宽板中心圆孔时,此简化情况下的应力集中系数表达式与文献值和有限元解吻合得很好。

balancing centering machine

平衡-钻中心孔机床

spotfacing and centering machine

平端面钻中心孔机床

Research on Application of Center Bore in Multi-eccentric Shaft Processing

中心孔在多偏心轴加工中的应用研究

A small conical hole made in a piece of work with a center punch so that a drill can be accurately positioned within it.

中心孔，转柄孔在带中心冲头的工件上为使钻头准确放置而做的小锥形孔

Insert block heater assembly into core hole with element loop pointing Up.

将电热器组合插入中心孔，元件环 向上。

Mechanical drawings--Simplified representation of centre holes

GB/T4459.5-1984机械制图中心孔表示法

Fatigue Life Analysis of Aluminum Alloy 2E12 Plates with Center Holes

2E12铝合金中心孔板材疲劳寿命分析

Discussion on Maintenance Technology of Center Hole of 300 MW Steam Turbine Rotor

300MW汽轮机转子中心孔检修工艺探讨

Analysis and Dealing with the Clamping Eccentric Error of Center-Hole-Grinder;

中心孔磨床上装夹偏心的误差分析及处理

When the end face and the axis is not perpendicular within5°, constant face driver can work regularly.

由于使用工件中心孔定位从而提高了产品精度。

The Shift of Emphasis from Propriety to Goodness in Confucianism;

孔子思想:从“礼”中心到“仁”中心

A Discussion on the New-established Ceremonies of Confucianism Movement in the Republic of China

民国孔教运动中的孔教新创仪式述论——以孔教会为中心

A reading note on Historical Records:Confucius Biography;

孔子言行考两则——以《史记·孔子世家》为中心

adjustable jaws center workpiece in a lathe or center tool in a drill.

在车床或钻孔机中心工具内的可调整中心工件。

a tool for cutting circular holes around a center.

在中心周围切圆形的孔的一种工具。

Purification of Total Alkaloids from Nelumbo nucifera by Macroporous Resin

大孔吸附树脂分离纯化莲心中莲心总碱的研究

The plate has holes of approximately 2 in. in diameter on 7-to 8-in. centers in staggered rows.

板上有直径近2英寸的孔眼，交错横排，孔眼中心距为7-8英寸。

On the Image of Confucius in Lin Yutang’s Works--Confucius Saw Nancy and the Wisdom of Confucius as the Center;

论林语堂笔下的孔子形象——以《子见南子》和《孔子的智慧》为中心