残余气体分析
residual gas analysis
reverse avalanche energyresidual gas analysis
RFTresidual gas analysis
reverse biased input transistorresidual gas analysis
residual gas analyzer
四极残余气体分析仪
quadrupole residual gas analyser
气体-气体热交换顺
gas-to-gas heat exchanger
空气麻醉机
ether air anesthesia unit