PREVIEW

... ks.

It is used to control the water carrying capacity inside the submarine and maintain various operations such as surfacing and diving under different conditions.

The overall length of this E-class transport boat is more than 100 meters. In addition to the cargo hold, it is impossible to have only one ballast tank at the bottom.

These ballast tanks are usually independent and sealed structures, and are not connected to each other, but are completely isolated and independent ...

YOU MAY ALSO LIKE
I Became a Villain's HeroChapter 125: Complete
 2.4k
4.5/5(votes)
SupernaturalFantasyActionHarem

I regret having lived as a villain.

So when I got a second chance after regressing, I tried to live a good life…

But then a villain became obsessed with me.

……………………………………………………………

Dear readers! Without any ads, maybe you will prefer .

Wilderness Livestream: Other People Struggle to Survive While I Became Famous by Looking After a CatChapter 538 - : Another Story: The Child Transmigrated Ten Years Ago (2)
Accidentally invincible!Chapter 266 - 0263: I Just Don’t Have It
 2.7k
4.5/5(votes)
EasternActionAdventureFantasy

My name is Lin Fan, I have traveled through time.I want to become an Immortal, with boundless mana.

MTL - Legend of Concubine’s Daughter MinglanChapter 376 End
 277.6k
4.8/5(votes)
HistoricalJoseiRomanceShoujo

The pessimistic and negative daughter of a concubine living in the ancient times thought – since life is so difficult, why should one invest serious effort in struggling to live?

The life of an ancient noble woman is often determined and controlled by her family. Moreover, one’s actions often implicate one’s entire family – thus, it is fairly common to see an unexpected calamity result in suffering borne by one’s whole family. Managing to live a good and successful life while retaining one’s dignity is simply too difficult to achieve.

Ah, living in the ancient times is simply too dangerous – we should all just sleep till we die.

- Description from Novelupdates