The infection of the washing liquid used in the pump at the decompression tower bottom to the medium was introduced.

采用串联式波纹管机械密封代替原单端面机械密封，解决了减底泵机械密封冲洗液对介质的影响问题。

youdao

Dad doesn't like heights, so he stayed at the bottom of the tower and took pictures from the ground.

爸爸不喜欢高处，所以他呆在塔的底部，在地面上拍照。

youdao

One above the other, the protruding cages of the toilets make a sort of tower: toilets with mould-soft walls, marshy at the bottom.

一个接着一个的，盥洗室外延伸出的鸟笼堆叠的有点像塔楼，有着湿软青苔的盥洗室，位于底端。

youdao

The way the Dogpile worked was whomever was not the poor sap whose named was shouted out, would proceed to jump on top of him and work to create a tower of humanity with the unfortunate Dopile-ee at the bottom of the heap.

FORBES: Dogpile On Social Media

And I appointed a Special Review Board, the Tower Board, which took on the chore of pulling the truth together for me and getting to the bottom of things.

CNN: Iran-Contra Affair