local head loss coefficient
act according to the local circumstances
along the water delivery from Luanhe
analyses of the water supply and demand
anchoring by the head and stern
automatic inspection by the water immersion
carcinoma in the head of the pancreas
carcinoma of the head of the pancneas
Carcinoma of the head of the pancreas
carry out the head coal
close down the water source well
comprehensive assessment of the loss
cut off the water supply automatically
cutting the head of contamination
differentiation of the water sources
effect of the loss benefit