含烃有效孔隙度
hydrocarbon-filled porosity
单位体积有效散热面积
Effective radiation area on unit volume
可水驱的砂层有效体积
floodable net sand volume
驱动时的有效孔隙度
net displacement porosity
群体有效含量
effective population size
有效孔隙率
effective porosity
effective drainage porosity
porosity absolute
effective pillar area
auxiliary ventilator
有效体积
active volume
Effective volume
effective sensitive region
总回路有效体积
general loop working volume
气体体积含量
volume concentration of gas phase