deep-circulating low temperature water
high-low-low temperature
high-low-low temperature process
LLWL (low-low water level)
Low temperature low noise amplifier
Low temperature low stress working condition
low temperature low turbidity
low temperature low-pressure
low temperature water-gas shift reaction
Low temperature water-gas shift reaction (LTS)
low water temperature alarm switch
low water temperature indicator
low-low water level switch
low-temperature water floor radiant heating
Low-Temperature Water-Gas Shift
Medium-Low-Low Temperature