查询词典 annular

Based on the basic theroy of fluid dynamics, this paper establishes a model of flow mechanics for turbulent flow, then uses this model to carry on a numerical simulation study on the conventional auger drill stabilizer annular flow field.

基于流体力学基本理论，本文建立了一套钻柱稳定器湍流模式力学模型，并采用该模型，对气体钻井常规螺旋钻柱稳定器环空流场进行了数值模拟研究。

The result of the caculation shows that the conventional auger drill stabilizer annular flow field has a weak ability in cutting-carrying and lifting; debris may deposite at the head, root of helical blade and the bottom side of the spiral channel.

计算表明：常规螺旋钻柱稳定器环空气体携岩举升能力弱，螺旋叶片头部、根部、螺旋流道下部下侧面容易出现岩屑滞留和沉积。

This article introduces the structure, principle, advantage and application effect of DJM annular tube waste heat boiler

介绍DJM型套管锅炉结构、原理，相对热管锅炉的优越性及使用效果。

Based on the classical theory of elasticity, an expression is derived for the radial stiffness of annular rubber in the dynamical vibration absorption boring bar.

基于弹性力学经典理论，给出了内藏式动力减振镗杆中环形橡胶径向刚度的计算公式。

The bottom plate and annular plates of large storage tank s are more subject to corrosion.

大型储罐底板的边缘板在油罐腐蚀事故中占很大比例，有关储罐边缘板的防护问题是储罐防护的重要组成部分。

By embedding a C-shaped slot in the resistance-loaded annular-ring microstrip antenna,we design a compact dual-frequency microstrip antenna in this paper.

在对环形微带天线进行电阻加载实现天线小型化的基础上，通过对环形天线的C形开槽，实现了天线的双频带工作。

Disk absent or annular, cup-shaped, sometimes elongated on one side.

花盘无的或环状，杯状，有时在一侧延长。

Our company's manufaturing equipments include: 2 off automatic DISA 2013 vertical flaskless molding line, 1 off DISA2032 Boxless Moulding Line, 4 off five-toned environmental furnace cupola, 4 off PILLAR electric furnaces, several CK6142 numerical controlled machines, annular track casting cluster, shot blasting system, indirect duplex system with electric furnace and automatic sand preparation system, etc.

公司始建于是1997年，占地面积47000㎡，建筑面积18000㎡，职工400余名；可以生产灰铁150—300和球铁400--800的产品，主要有刹车盘、轮毂、刹车毂、制动钳体、支架、转向节、制动蹄铁、差减壳、飞轮、轮壳、发动机轴承盖、离合器压盘等的汽车配件，生产加工城市建设用下水井经箅子，井盖板等灰铁球铁铸造件，同时也根据客户的来图来样生产加工灰铁和球墨铸铁产品。

The author designs a rotary polyacrylate tubular membrane separator with transparence glass outer cylinder and studied the flow field characteristics of its annular gap and the micro-filtration performance by theoretic and actual testing methods for the first time.

本文设计了一套外壳透明的旋转聚丙烯管式膜器，采用理论和流场实测相结合的方法，首次系统地研究了膜器环隙间的流场特征和膜器的微滤特性。

Anyhow, acute wind damp and hot can have 5 main show such as the Quan Xinyan, much arthritis that send a gender, annular erythema, hypodermic brief summary and dancing disease.

总之，急性风湿热可有全心炎、多发性关节炎、环形红斑、皮下小结和舞蹈症等五个主要表现。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。