屠宰场废水
Slaughterhouse wastewater
组合法处理屠宰废水
chemmical process treatment of slaughterhouse wastewater
屠宰加工
slaughter process
slaughter-process
slaughter and processing
slaughtered and processing
poultry processing
屠宰及宰前检查
slaughter and ante-mortem inspection
屠宰和肉制品车间内墙
the inner walls of workshops of slaughter and meat processing