thick steel plate with taper cross-section
belled pile with long cantilever
blasting with long bore hole
deep acupuncture with long needle
europium quaternary complex with long carbon chain
heavy oil reservoir with edge and bottom water
heavy oil reservoirs with edge or bottom water
horizontal well with long horizontal section
Japanese plow with long sole
Luminescence materials with long afterglow decay time
nurses with long past service
Oil Reservoir with Edge and Bottom Water
porphyrin derivatives with long carbon cha
Porphyrin derivatives with long carbon chain
Reservoir with Edge and Bottom Water
Water-cooling cupola with long service period
dissolve with heat,flow with the same temperature,elute with warm water