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English Translations » 历史存档[信息] » One question per day; those who answer correctly receive 6 w

One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； October 26th

2016-10-26View Original

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Single-choice question: Submersible pumps are commonly used in wastewater treatment tanks to remove sludge from them. Which of the following is a common fault of submersible pumps? ( ) A. Performance failure B. Wear and corrosion failure C. Sealing damage failure D. High noise and vibration in the pump. Answer: D. High noise and vibration in the pump
Reply #22016-10-26
Submersible sewage pumps are commonly used in wastewater treatment tanks to remove sludge from them. Which of the following is a common fault of submersible sewage pumps? (D)

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Translated at 2026-07-20 23:11:08

Original: https://bbs.hcbbs.com/thread-1635124-1-1.html

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