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简介：工作犬生来就有帮助人类的天赋，本片将带您前往它们工作的最前线。工作犬从小接受训练，长大后可以在日常生活中帮助、保护人类甚至在灾难中拯救生命。灾后救济、守卫边疆甚至战争前线都能看到它们的身影，人们不断地开发它们的新工作领域，在严酷的环境下，工作犬比人类更合适也更优秀。收起
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