孔板,orifice
1)orifice[英]["?r?f?s][美]["?r?f?s]孔板
1.Analysis of discharge coefficient oforifice in conduit with low velocity;低流速孔板流量系数的分析
2.Discussion on calculation of flow rate and pressure drop oforifice in series;串联孔板的流量-压降计算探讨
3.Numerical stimulation and analysis of discharge coefficient oforifice in conduit to measure discharge;测流孔板数值模拟及流量系数的分析
英文短句/例句
1.square-edged orifice直角铣孔流量计孔板
2.orificing the coolant对冷却剂加孔板节流
3.orifice well tester孔板式天然气流量计
4.Perforated plates correspond to heterogeneous media.多孔板相当于均匀介质。
5.quadrant-edge orifice plate1/4圆周边缘孔板
6.bellows-type gas or orifice meter伸缩式气体孔板流量计
7.concentric orifice with flange taps法兰取压同心锐孔板
8.Research on Fluid Dynamical Characteristics of Multi-hole Orifice Plate in Hydraulic Cavitation水力空化多孔孔板流体力学特性研究
9.Black of the card盲孔(纹板上无孔的部分)
10.Round and square perforation plate screens-Thickness of 3 mm and aboveGB/T10613-1989板厚≥3mm的圆孔和方孔筛板
11.dowelling in the length, of coniferous wood针叶树木板,经纵钻孔的
12.constriction plate classifier带有孔隔板的分级机
13.sound-absorbing perforated asbestos cement panel吸声带孔石棉水泥板
14.This board bores easily.这块木板易於穿孔。
15.front spring eye bushing前钢板弹簧卷耳孔衬套
16.They were drilling Boles in a steel plate他们在钢板上钻孔。
17.They drilled through a Board他们在木板上钻孔。
18.The fair boy said this solemnly.金发少年板着面孔回答。
相关短句/例句
orifice plate孔板
parison of the V-cone flowmeter andorifice plate flowmeterV锥流量计与孔板流量计的比较
2.Analysis of uniform section afterorifice plate孔板后稳定断面的位置分析
3.The hydrodynamic cavitation generated through a norifice plate is used to decompose aqueous solution of KI in this work.在由孔板产生的水力空化条件下对KI水溶液分解反应进行了实验研究。
3)perforated plate孔板
1.Study of structure of spoke shapeperforated plate for catalyst extruding machine;轮辐型催化剂孔板的结构研究
2.This paper analysed the functions of the basic structure ofperforated plate for catalyst extruding machine.本文对催化剂挤条机孔板的基本结构进行功能分析,用回归分析的方法建立数学模型,采用该模型的孔板能够保证催化剂的尺寸精度、增加强度、提高表面光滑度,并经实践证明是有效的。
3.The complete metallicperforated plate heat exchanger is made of a lot of perforated copper plates alternated with stainless steel spacers,and piled up and welded each other.全金属孔板叠层换热器是由铜制孔板和不锈钢隔片相间叠置，采用扩散焊工艺焊接而成。
4)orifice-plate孔板
1.The application of Weiliba in place of throttlingorifice-plate to measure steam flow can reduce energy consumption and improve accuracy.目前我国蒸汽流量测量大多使用标准节流孔板。
2.Orifice-plate is the core components oforifice-plate flowmeter which widely used in gas, steam and liquid flow measurement.孔板作为广泛应用于气体、蒸汽和液体流量测量的孔板流量计的核心部件,其几何量参数的准确程度将直接影响孔板流量计的测量准确度,为了准确地测量气体流量,对孔板几何尺寸及有关参数必须按照相关国际、国家标准进行检测。
5)multi-hole orifice多孔孔板
1.Experimental study on main factor affecting throttling characteristic formulti-hole orifice;多孔孔板节流特性主效应因素试验
2.Experimental study on water throttling model ofmulti-hole orifice;多孔孔板水节流特性试验及数学模型
6)orifice[英]["?r?f?s][美]["?r?f?s]锐孔，孔板
延伸阅读
孔板安装在封闭管道中，按节流装置的原理，测量液体、气体和蒸汽流量的检出元件。标准孔板是一块具有圆形开孔的金属薄板,圆孔壁与孔板前端面成直角,安装时孔板轴心与管道轴线同心。孔板已有国际标准(ISO 5167)。测出孔板两端压差，按此标准即可算出具有一定精确度的流量值。孔板取压方式在国际标准中规定为径距取压、法兰取压和角接取压（取压孔紧靠孔板）3种（图1）。当测量含有少量固体的液体或含有少量液体的气体时，为便于少量固体或液体通过，孔板的开孔可制成扇形的,或制成与管道的轴线是偏心的（图2）。
