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English Translations » 【化工工程交流】 » Fundamentals of Processing Technology (Multiple Choice) 2018

Fundamentals of Processing Technology (Multiple Choice) 2018022

2018-01-22View Original

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Small reciprocating water pumps often use cloth-impregnated bakelite as piston rings, which must be treated before installation. A. Soaking in cold water B. Soaking in hot water C. Soaking in lubricating oil D. Sanding with sandpaper
Reply #22018-01-22
B~ must be soaked in hot water~~~

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Translated at 2026-07-21 04:01:22

Original: https://bbs.hcbbs.com/thread-1911672-1-1.html

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