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English Translations » 历史存档[信息] » 【Daily Question】June 27: What type of sealing structure does

【Daily Question】June 27: What type of sealing structure does a dry gas seal belong to?

2015-06-26View Original

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This post was last edited by wt2008 on 2015-6-27 07:52. Daily question for the activity (single-choice question): A dry gas seal belongs to which type of sealing structure? A. Pump-in contact B. Pump-in non-contact C. Evacuation contact D. Evacuation non-contact Answer: B, Pump-in non-contact. Please participate actively to win prizes. +5 points for correct answers, +2 points for participation. One time per person only. Close this topic in two days.
Reply #22015-06-26
Dry gas seals belong to (B) seal structure. A. Pump-in contact B. Pump-in non-contact C. Evacuation contact D. Evacuation non-contact
Reply #32015-06-27
A. . . . . . . . . . . . .
Reply #42015-06-27
Dry gas seals belong to (　B　) seal structure.
Reply #52015-06-27
Dry gas seals belong to (　B　) seal structure. A. Pump-in contact B. Pump-in non-contact C. Evacuation contact D. Evacuation non-contact
Reply #62015-06-27
Dry gas seals belong to (B) seal structure. A. Pump-in contact B. Pump-in non-contact C. Evacuation contact D. Evacuation non-contact

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Translated at 2026-07-21 02:10:19

Original: https://bbs.hcbbs.com/thread-1410721-1-1.html

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