demarcation district plan
demarcation district sheet
land registers of demarcation district
survey district lot land register
engineering district；maintenance of way section；track division；track district；track maintenance division
Measuring Water Consumption District by District
Urban district and outside suburb district
lot by lot acceptance sampling
Lot-for-Lot Supply Chain
lot-to-lot supply chain
adiabatic demagnetization
adiabatic nuclear demagnetization