low cost administrative management
automatic low data rate input
automatic low frequency load shedding relay
automatic low vacuum regulator
automatic low-pressure grouting technology
cultivation substrate with low cost
development with low cost
excessively low-cost tour services
government low-cost housing estate
high effect and low cost
high performance and low cost
high-low-low temperature
high-low-low temperature process
high-production and low-cost (HPLC) operation
LLWL (low-low water level)