They also made great propellants, foaming agents, and fire-retardants.

用它还可以制造很好的进，发泡阻燃。

The rocket uses liquid propellant, which makes it more environmentally friendly than previous modules.

“长征七号”是一枚采用环保无毒的液氧煤油发动机的大型液体运载，这样就比先前的配置更为环保。

The Long March-11 is the only series in the Long March family that uses solid propellants.

长征11号是长征家族中唯一一个使用固体进的。

Solid rocket propellant burns very rough.

固体进剧烈燃烧。

But then you also have a liquid propellant in the form of liquid hydrogen and liquid oxygen.

我们还有液体进，就是液态氢液态氧。

And the tanker refills the propellant tanks of your starship.

油机会把星际飞船的进满。

I recognise the paint. It's like Michigan...hard-core propellant. I'd say zinc.

我认得这涂料，像是密歇根牌，某种硬核涂料喷射，我猜是锌。

However, a rocket burns fuel called propellant to push away from Earth and against gravity.

而通过燃烧一种称为进的燃料来远离地球并对抗重力。

Well, Starship will conveniently refill its propellant tanks in space with methane and oxygen.

星际飞船会方便地在太空中用甲烷氧气填充它的进。

Critical pre-launch tests have been hampered by issues with propellant loading and a malfunctioning helium check valve.

关键的发射前测试因进装载问题氦止回阀故障而受阻。

It's fueled by liquid propellant made of liquid oxygen and kerosene, which is meant to cut down on pollution.

长征六号运载采用液氧煤油发动机以减少污染。

So, keeping the propellants cold improves the performance of the rocket.

因此，保持进低温可以提高的性能。

So it doesn't use exotic propellants or things that are difficult to obtain on Mars.

所以它不使用外来进或在星上难以获得的东西。

So you just refill propellants and go again.

所以你只需重新装满进，然后再去。

Aerospace engineers use something called a gravitational slingshot to alter a spacecraft's path without using too much propellant.

航空航天工程师使用一种叫做重力弹弓的东西来改变航天器的路径，而无需使用过多的进。

They're only 1% of the mass of the total rocket, propellant and all.

它们只占整个、进所有东西质量的 1%。

NASA says this final part " is expected to require a new or modified spacecraft using a large amount of propellant."

美国宇航局表示，这最后一部分操作“预计需要一种使用大量进的全新或改进的航天器”。

So you can see even the simplest thing, like pumping propellants, always pretty much drives you insane.

所以你可以看到即使是最简单的事情， 比如泵送进，也总是让你发疯。

Fireworks tend to fall back down into bodies of water, polluting them with propellants and colorant residue.

烟花往往会掉回水体中，并被进着色残留物污染。

We hear they really got a charge out of it once they drilled down and planted powdered propellants that powered Porclatones` (ph) blue magic.

我们听说，当他们下钻成功，把蓝色的魔法进送洞里，他们就能获取力量。