浮游生物体积测量器
plankton volume indicator
井下流体体积测量
down-hole volumetric measurement
板式空气—空气热交换器
plate-type air-air heat exchanger
低真空空气测微仪
low vacuum air micrometer
空气-空气后冷发动机
air-to-air aftercooled engine
空气-空气后冷发动机装置
air-to-air aftercooled engine installation
空气-空气后冷器零件
air-to-air aftercooler part
空气-空气后冷器系统
air-to-air aftercooler system