maintenance

• Energy used for maintenance increases with the size of the animal .
  用之于维持的能量随着动物的体重增大而增加。
• 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。
• Government money was spent on new investments rather than maintenance .
  政府资金不是用于维修工作，而是用于新的投资。
• Corrosion on steel components can usually be controlled by proper maintenance .
  适当的维修管理一般就可以控制住钢构件的锈蚀。
• All photocopying machines need careful usage, and regular cleaning and maintenance .
  所有照像复制机都需要小心使用、定期擦洗和维修。
• Man would have to assist in the maintenance of species populations by habitat manipulation .
  人类仍将通过居住地管理来帮助保持种群体。
• It should provide easy access to the furnace components to facilitate maintenance and cleaning .
  它必须保证容易取出炉体部件以便维修和清洗。
• His assistance extended no farther than their maintenance for six months at norland .
  他的帮助至多不会超过供给她们在诺兰德食宿六个月的费用。
• Efficiency improves as the cost of maintenance is spread over progressively more weight gain .
  当维持消耗越来越多应用在增重上时，效率就增进了。
• Segmental bridges when properly designed will prove to be practically free of maintenance for many years .
  分段桥梁经过适当设计可以多年不需要养护。