low-activation material
9Cr low activation martensitic steel
China low activation martensitic steel
high-low-low temperature
high-low-low temperature process
LLWL (low-low water level)
low activation Fe-Cr-Mn-alloy
low activation martensitic steel
Low-low satellite to satellite tracking mode
Low-Low Satellite-to-Satellite Tracking
low-low water level switch
Medium-Low-Low Temperature
mid low low temperature shift
mid low low temperature shift process
middle low low temperature” shift process