改型 meaning in English

retrofit

Both countries used modified ballistic missiles to achieve their successes .
这两个国家都是利用改型的弹道导弹取得成功的。
A number of variations of the apparatus described here have been employed successfully .
这种装置的许多改型都曾经用得很成功。
The exergy analysis of the power turbine for gt
航改型舰用燃气轮机的火用分析
Study status on sodium - modified method of ca - bentonite
钙基膨润土的钠化改型方法研究
Study on organic modification of linli bentonite , hunan
湖南临澧膨润土有机化改型研究

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