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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； Question 462

2016-03-13View Original

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Multiple-choice question: During the drying process of PVC resin, which equipment is prone to contamination by impurities? (　 ) A. Air filter B. Air heater C. Centrifuge； D. Vibration sieve Answer: AD　
Reply #22016-03-13
During the drying process of PVC resin, which equipment is prone to contamination by impurities (AD)? A. Air filter B. Air heater C. Centrifuge； D. Vibration sieve
Reply #32016-03-13
During the drying process of PVC resin, which equipment is prone to contamination by impurities? (　A D ） A. Air filter B. Air heater C. Centrifuge； D. Vibration sieve

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Translated at 2026-07-21 00:42:31

Original: https://bbs.hcbbs.com/thread-1568899-1-1.html

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