How to say “After replacing the valve, our marine engineer stayed below to check the pressure.” in Japanese
In Japanese
バルブの交換は終わったけど、機関士は圧力を確認するために、まだ機関室に残ってるよ。
Barubu no kōkan wa owatta kedo, kikanshi wa atsuryoku o kakunin suru tame ni, mada kikanshitsu ni nokotteru yo.