retrofit

verb

1. 给机器设备装配（新部件）；翻新；改型
   to put a new piece of equipment into a machine that did not have it when it was built; to provide a machine with a new part, etc.
   1. Voice recorders were retrofitted into planes already in service.
      录音设备安在了正在服役的飞机上。
   2. They retrofitted the plane with improved seating.
      他们在飞机上安装了经过改良的座椅。

1. VERB 对（机器）更新部件;对（建筑物）进行翻新
   To retrofit a machine or a building means to put new parts or new equipment in it after it has been in use for some time, especially to improve its safety or make it work better.
   1. Much of this business involves retrofitting existing planes...
      这项业务主要是改造更新现有的飞机。
   2. Damaged houses have been repaired, roads repaved and buildings retrofitted.
      受损的房子已经修好，公路重铺了，大楼也翻新了。
   3. Retrofit is also a noun.
      
   4. A retrofit may involve putting in new door jambs...
      房子翻新可能需要安装新的门框。
   5. The retrofit program will be carried out at the Montreal facilities.
      蒙特利尔将要开展市政设施的翻新改良工程。

1. Much of this business involves retrofitting existing planes
   这项业务主要是改造更新现有的飞机。
2. Damaged houses have been repaired, roads repaved and buildings retrofitted.
   受损的房子已经修好，公路重铺了，大楼也翻新了。
3. It is now possible to retrofit this optical highlight on the boxster.
   现在可以对boxster上的这一视觉亮点进行改造。
4. My personal computer needs complete retrofit, so I will not post much before I can write in Chinese.
   我的个人电脑需要完成改造，所以我可以多写中文之前，我将不会发布。
5. Designed to retrofit backflow protection onto fire hydrants used for temporary water service.
   适用于用在临时性水应用的消防栓上的防回流阀的更新改造。
6. Application of inverter technique in the energy-saving retrofit of induced draft fans
   变频技术在引风机系统节能改造中的应用
7. Retrofit engine spacers with additional damping elements.
   用其他减震元件对发动机间隔垫圈进行改装。
8. Influence of Heating Recovery System to Vacuum of Condenser and its Retrofit
   采暖回收系统对凝汽器真空的影响及改造
9. The above block diagram shows a potential retrofit bulb.
   以上方框图显示了一个潜在的改型灯泡。
10. The clean hot gases then enter the boiler superheat section as was before the retrofit.
    此时洁净热煤气在锅炉改良之前进入过热段。
11. Carefully check all retrofit components of the bearing for completeness and damage.
    为了完整安装并防止损坏，仔细检查轴承所用的改装部件。
12. CFD has been applied widely in the design and retrofit of all kinds of boilers.
    计算流体力学正大量应用于各类锅炉的设计和改造。
13. Retrofit washers between studs and convertible top gear.
    改装螺杆和活顶齿轮之间的垫圈。
14. Retrofit retaining ring on transmission.
    改装变速器的扣环。
15. Techniques and thermal performance tests of steam path retrofit for large capacity steam turbines are investigated in this paper.
    对大型汽轮机通流部分改造技术和试验方法进行了深入地研究。
16. The initial retrofit consisted of removing the gaps between the stringer flange and floor beam by providing shims.
    最初的修复工作是通过垫片来消除纵梁翼缘和横梁之间的间隙。
17. Retrofit the engine spacers with additional damper elements before delivering vehicles to customers.
    在将车辆交付给客户之前，请用其他减震器元件对发动机间隔垫圈进行改装。
18. The paper is about the retrofit of the lifting platform.
    本文介绍了升降平台的改造。
19. Research on Energy-saving Retrofit Method of Existed Buildings Based on Actual Conditions
    基于实际状态的既有建筑节能改造方法研究
20. In the last paragraph, I know CCS may reduce the cost of retrofit.
    从最后一段，我们得知碳捕获和存储技术降低了技术改造的成本。
21. Ceiling system& New and retrofit ceiling system for the refilling treatment.
    天花板吊顶系统&新建的天花板或翻新建筑的天花板系统的回填处理。
22. Cause Analysis to Manhole Leakage of 330 MW Unit High Pressure Heater and its Retrofit Measure
    330MW机组高压加热器人孔门泄漏原因分析与改进措施
23. Program for Thermal Power Unit Automation Retrofit with Combination of FCS and DCS
    FCS与DCS结合进行火电机组自动化改造方案
24. Analysis of fluctuation of reheated steam temperature for 1 000 MW ultra-supercritical pressure once-through boilers and related retrofit
    1000MW超超临界压力直流锅炉再热蒸汽温度波动大的分析与改进
25. If the Factory poor, dust, and have to retrofit pre-filtration equipment;
    如果工厂环境较差，灰尘多，须加装前置过滤设备；
26. Retrofit and strengthen the open spindle on H-6000 Crusher is introduced when electric brush plating technology is used.
    介绍了电刷镀技术在修复和强化H-6000型破碎机锥开轴的方法。
27. The retrofit has provided a new insulation life for the critical element, the fault interrupter, or contactor.
    式样翻新为重要元素提供了新绝缘材料生活，缺点阻碍者，或接触器。
28. Provide technical support service to retrofit project;
    提供改造项目的技术支持服务；
29. Study on retrofit optimization of steam power system in refinery plant
    炼油企业蒸汽动力系统改造优化研究
30. Study on Building Envelope Energy-saving Retrofit and HVAC System with Life Cycle Assessment Method
    围护结构节能改造与暖通空调系统生命周期评价方法研究

noun

1. the act of adding a component or accessory to something that did not have it when it was manufactured
   1. the court ordered a retrofit on all automobiles

2. a component or accessory added to something after it has been manufactured

verb

1. substitute new or modernized parts or equipment for older ones
   1. The laboratory retrofitted to meet the safety codes

2. fit in or on an existing structure, such as an older house
   1. The mansion was retrofitted with modern plumbing

3. provide with parts, devices, or equipment not available or in use at the time of the original manufacture
   1. They car companies retrofitted all the old models with new carburetors