Veterinary services, including hospitals and district clinics, diagnostic facilities and cold storage and distribution systems have deteriorated over the past years.

多年来，包括医院和地区诊所、诊断设施以及冷藏和分配系统在内的兽医服务情况不断恶化。

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For example, you can find businesses located in the United States, Mexico, or Canada that also offer cold storage or generic shipping services.

例如，您可以查找位于美国、墨西哥或者加拿大同时提供冷藏服务或一般的运输服务的企业。

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