支持者;维持者;主发动机
B God is the all powerful creator and sustainer of the Universe.
上帝是宇宙间万能的创造者和支撑者.
The tentative design of constant altitude flight solid rocket composed of the sustainer, the booster and its simple control method is presented.
介绍了主发动机加助推器和简易控制方法实现固体火箭等高飞行的设计方案。
Behold, God is my helper ; The Lord is the sustainer of my soul.
诗54:4神是帮助我的、是扶持我命的.
The framework is a truss composed of radiation beam and transverse sustainer.
星载天线背架是由辐射梁及其横向支撑组成的桁架结构.
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