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。

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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.

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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