低真空空气测微仪
low vacuum air micrometer
晶体真空管伏特计
crystal vacuum tube voltmeter
空气真空两用制动装置
air and vacuum dual brake equipment
板式空气—空气热交换器
plate-type air-air heat exchanger
进气管空气温度传感器
intake manifold air temperature sensor
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