Also ensure that the fuel tank was properly installed so that leaks or fumes cannot collect belowdecks and create an explosion risk.

同样，要检查燃料箱是否安装得妥当，确保即使发生泄漏或废气排放，它们也不会在甲板下聚集，导致爆炸的风险。

youdao

Instead he was flying belowdecks, between payload commander Stephen Robinson and Dr. Chiaki Mukai, the first Japanese woman in space.

CNN: Victory Lap

They sit alone, in shadow, belowdecks.

NEWYORKER: Sail Away