产气率
biogas productivity
gas production rate
biogas yield rate
production of biogas
biogas-generating efficiency
biogas ratio
generating velocity
biogas generation rate
gas-produced
hydrocarbon generation
gas generation rate
gas yield
gas yiled rate
gas-producing rate
gas formation rates
the gas yield
池容产气率
volumetric biogas production rate
木糖醇生产速率
xylitol volumetric productivity
容积产气率
volumetric gas production rates
油气产率
hydrocarbon production rate
oil-gas production rate