可调式光波导衰减器
tunable waveguide attenuators
可调式光分路滤波器
tunable optical branching filter
可调式光衰减器
variable optical attenuator
高压喷嘴式喷雾干燥机
high pressure nozzle spray drier
喷嘴式喷枪
nozzle-in-nozzle type spray gun
可调喷嘴油壶
adjustable nozzle tip oiler
X射线荧光光光谱
X-ray fluorescence spectrometry
凹腔声–光光调制器
reentrant acousto-optic light modulator
采光可调
lighting angle adjustable
磁光式光电电流互感器
magneto-optical current transducer(MOCT