positive-displacement pump是什么意思

用法例句

In connection with pumping of high-viscosity medium, Analyzing one by one several positive-displacement pumps such as piston-type; lobe-type; screw-type and gear-type, Expounding the technical characteristics; situation of using and the trend of development of each own.

针对高粘度介质的输送,对柱塞式、凸轮式、螺杆式以及齿轮式等几种类型的容积式泵进行了逐一分析,阐述了其各自的技术特点、应用状况及发展趋势。

The article stresses the introduction of thermal balancing analysis of oil tank in hydraulic system,and parameter calculation of cubage and area of dissipation.

重点介绍液压系统中油箱的热平衡分析及其容积和散热面积参数的计算。

The method of the software,hardware design and data processing of the chemical fuel tank cubage calibration system are introduced,all the error elements of this system are analyzed.

介绍了一化工燃料贮罐容积标校系统软、硬件设计原理和数据处理方法,对标校系统的各种误差成分进行了分析,并运用实际任务中的数据对贮罐标校系统的成果进行了精度验证,结果表明该系统可以提供比较精确的加注量参数。

Clinical Significance in Volume Measurement of Cholecysts in Chronic Cholecystitis Using 3-D Automatic Techniques;

慢性胆囊炎三维容积测定的临床意义

Experimental research and clinical application on the lower lumbar vertebral canal volume with spiral CT and 3D measure;

下腰椎椎管容积螺旋CT与铸型测量及其临床意义

The Volume Measurement of Ovarian Cystic Masses by Three-Dimensional Ultrasound;

三维超声成像测定卵巢囊性肿瘤容积

Expansion Tank of Heat Conduction Oil Capacity and Caculation and Application of Installation Beight in Malic Anhydride;

顺酐装置中导热油膨胀罐容积及安装高度的计算与应用

Direct against the defects of high cost,complicated computation and fixed accuracy of calculation on cabin capacity based on CAD software,a kind of cabin capacity computing method based on nodal point,which stands alone to the CAD system,was realized.

针对基于CAD软件的船舱容量计算成本较高、计算复杂、并且精度固定的缺点,实现了一种独立于CAD系统,基于型值点的舱容算法,用较低的成本,就可以方便快速地计算出船舱中液体的容积。