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English Translations » 【化工工程交流】 » Fundamentals of Manufacturing Processes (Multiple Choice) 20

Fundamentals of Manufacturing Processes (Multiple Choice) 20180108

2018-01-09View Original

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The cranks of a three-way electric reciprocating pump are at certain angles to each other. A. 90° B. 120° C. 180° D. 0° Hint: The flow pulsation is smallest when the angles between them are 120°.
Reply #22018-01-09
The cranks of a three-way electric reciprocating pump are at an angle of B to each other. A. 90° B. 120° C. 180° D. 0°

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Translated at 2026-07-21 04:04:30

Original: https://bbs.hcbbs.com/thread-1894491-1-1.html

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