中文谷propellent造句怎么写
- 造句
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In this paper, the fuel gas and propellent system of "in site" Pellet injector used in beforehand experiment and Pellet fueling experiment in HL-1 Tokamak has been introduced.
In this paper, new wagon wheel grain configuration has been suggested in order to improve rocket's concentration and propellent loading density.
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propellent 造句
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