①.屠宰场是怎么屠杀家禽（鸡鸭猪牛）的？ 是通过安乐死的方式吗？译为：How is the slaughter of poultry slaughterhouse ( duck and cattle )? By the way euthanasia?或The slaughterhouse is how killings poultry (chicken duck pig cow)? Is ..。
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