The author considers that adopting the helium pressurization can decrease greatly the engine pump inlet pressure of the upper stage rocket, and considerably increase transport capacity of the rocket.是什么意思_The author considers that adopting the helium pressurization can decrease greatly the engine pump inlet pressure of the upper stage rocket, and considerably increase transport capacity of the rocket.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句