low density polyethylene copolymer
low ratio of polymer to cement
low solids polymer drilling fluid
low-cost polymer membrane
polypropylene random copolymer with low ethylene content
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