variable-area

基本解释

Variable area isolation valves, if required, shall be gate valves of the same size as the meter connection.
如果需要安装变量面积隔离阀，阀门应为与导压管接口相同尺寸的闸阀。
Glass tube variable area meters are prohibited in hydrocarbon or other hazardous or flammable or toxic service.
玻璃管变面积仪表禁止用于在碳氢化合物或其它危险或易燃或有毒的工况。
In small discharge measure, variable area flowmeter to rise count for much function.
在微小流量测量中,浮子流量计起着非常重要的作用。
Rotameter is a kind of traditional float type variable area flow meter with the advantages of stabilization, low pressure loss and the ability of measuring the low flow rate.
浮子流量传感器是一种传统的变截面流量传感器,它具有工作可靠、压力损失小和可测微小流量的特点,因此被广泛应用于化工、石油、冶金、轻工、食品等流程工业中。
variable area superimposed on wiggle trace
波形加变面积叠合记录