“Proton D family upper stage”的概念、定义、翻译、参考文献-科学参考

单词	Proton D family upper stage
释义	Proton D family upper stage Encyclopedia 工学〔运载火箭分类〕释 Proton D family upper stage“质子”号D系列上面级俄罗斯研制的一个系列上面级，“质子”号D系列上面级与“质子”号运载火箭组合用于执行卫星发射任务。
随便看	ultrasonic rock specimen tester ultrasonics ultrasonic sensor ultrasonic soldering ultrasonic sound ultrasonic spectrum analysis ultrasonic stage recorder ultrasonic stroboscope ultrasonic surface treatment ultrasonic testing ultrasonic test instrument ultrasonic therapy ultrasonic thickness meter ultrasonic tissue phantom ultrasonic transducer ultrasonic vibration assisted laser machining ultrasonic vibration drilling ultrasonic vibration extrusion strengthening ultrasonic vibration finishing ultrasonic vibration grinding ultrasonic vibration milling ultrasonic vibration rolling forming ultrasonic vibration turning ultrasonic wave ultrasonic weak scattering

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