Recovery of Heat of Flue Gas
heat loss of effluent gas
loss of heat accumulation
quantity of heat of Yunnan
coefficient of loss of service
content of loss of tobacco from the ends
method of loss of weight in oven
protection of loss of excitation
reduction of loss of transmission line
syndrome of loss of control due to spleen deficiency
syndrome of loss of moistening of throat due to yin deficiency
the rate of loss of fransmission lines