vitta

Drawing Oil Well Vitta Failure Mechanism and Accident Prevention Study

抽油机井油管失效机理及事故预防的研究

Research on Photoelectric Measurement of the Vitta 's Position

油管位置光电检测技术的研究

The technology and using of high pressure water cleaning for oil field 's vitta and oilcan are discussed .

本文简单介绍了高压水清洗技术在清洗油田油管、运输油罐等设备时的情况。

Appliance in erosive well about implement of cathode shield of vitta

油管阴极保护器在腐蚀井中的应用

Process and Die Design of Chassis Vitta

某型轿车底盘油管成形工艺及模具设计

Numerical simulation of flow properties in curving gas vitta Performance of Concrete Filled Steel Tube Reinforced Concrete Columns Subjected to Cyclic Bending

天然气流经弯曲油管柱时的流场模拟循环弯曲作用下钢管混凝土柱的性能

Second , there is oil dripping from the dripping vitta as a result of the fault of ignition system and combustion structure .

因点火系统和燃烧结构的缺陷而导致开机后一段时间内有油滴从滴油管滴落；

These above-mentioned three characteristics of fruits , number of vitta , evolvement status of lateral rib and endosperm form , may serve as reference in interspecies relationship study .

果实的油管特征、侧棱翅发达程度和胚乳的形状等特征可以为种间关系提供参考。

Disc brake , as the name suggests , the shape is like a disc and its main parts include brake disc , wheel cylinder , brake caliper and vitta etc.

盘式制动器又称为碟式制动器，顾名思义是取其形状而得名：它的主要零部件有制动盘、分泵、制动钳、油管等。

We regarding resistancial intensity of lopsided abrasion vitta as destruction question , applying elastoplastic finite element method to analyzed the lopsided abrasion vitta ′ s resistancial intensity .

文中将偏磨油管的破裂强度问题看作失稳问题，应用弹塑性有限元方法分析了偏磨油管的破裂强度。