For example, the rocket engine seal life just a few minutes, but require a short period of time does not leak.

例如，火箭发动机的密封寿命只需几分钟，但要求短时间内绝对不漏。

youdao

For example, the rocket engine seal life just a few minutes, but require a short period of time does not leak.

例如，火箭发动机的密封寿命只需几分钟，但要求短时间内绝对不漏。

youdao