effective width of flange
coefficient of effective heat emission
effective coefficient of excavation pit
effective coefficient of irrigation water
effective coefficient of local resistance
effective coefficient of separation
effective distribution width of flange
effective width coefficient
Effective width of emitter
effective width of slab
equivalent calculated coefficient of effective fla
the effective width of emitter Seff
deviation of width of teeth
outstanding width of flange
width coefficient of settlement trough
comprehensive coefficient of heat transfer
comprehensive coefficient of performance