超低功率肖特基晶体管晶体管逻辑
superlow power schottky ttl
超低光功率接收机
extra low optical power receiver
大功率低频超声
high-power low-frequency ultrasound
大功率低速船用柴油机
high-powered low-speed marine diesel engines
high-powered low-speed marine diesel engine
低功率He-Ne激光
low power He-Ne laser irradiation