super-large cross-section tunnel with low height-span ratio
Low Net Height Structures
Low Ratio of Height to Diameter
tipsy height and low on defection bucket
West-height and east-low
high-low-low temperature
high-low-low temperature process
LLWL (low-low water level)
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