我们正以3.24马赫飞行，所有的进气口都紧紧关闭，两个J-58引擎就像火箭推进 器一样全速运转 - 每秒吞吐100000立方英尺的空气。
With all inlet doors tightly shut, at 3.24 Mach, the J-58s are more like ramjets now, gulping 100, 000 cubic feet of air per second.
进气口开大排气口关小使输出压力增加，因此执行机构推杆向下移动使调节阀阀芯开启或关闭。
Large intake vents open so that the output pressure off small increase, thus putting downward movement so that implementing agencies spool valve to open or close.
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