Join your local trail maintenance group and help combat trail erosion.
加入当地的步道维护小组，并帮助打击步道侵蚀。
Maintenance of a healthy work group requires steady personal contact.
维护一个健康的工作小组需要经常性的人员接触。
The company has a group of experienced maintenance technicians.
现公司拥有一批经验丰富的维修技术人才。
Around the maintenance of a group of friends and grateful people.
身边维持一群朋友和感恩戴德的人。
Around the maintenance of a group of friends and grateful people.
身边维持一群朋友和感恩戴德的人。
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