高功率水锅炉式反应堆
high power water boiler reactor
超低功率肖特基晶体管晶体管逻辑
superlow power schottky ttl
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
低低水位
LLWL (low-low water level
低-低水位开关
low-low water level switch