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English Translations » 煤气化/煤焦化 » One Question per Day 2018.2.27

One Question per Day 2018.2.27

2018-02-27View Original

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The purpose of filling nitrogen between the oxygen cut-off valves after shutting down the furnace is to ( ). A. Prevent oxygen from leaking in B. Facilitate the operation of the shut-off valve C. Fill the vaporizer with nitrogen Answer: A
Reply #22018-02-27
The purpose of filling nitrogen between the oxygen cut-off valves after shutting down the furnace is (a). A. Prevent oxygen from leaking in B. Facilitate the operation of the shut-off valve C. Fill the vaporizer with nitrogen Answer: a
Reply #32018-02-27
The purpose of filling nitrogen between the oxygen cut-off valves after shutting down the furnace is (A). A. Prevent oxygen from leaking in B. Facilitate the operation of the shut-off valve C. Fill the vaporizer with nitrogen

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Translated at 2026-07-21 05:38:34

Original: https://bbs.hcbbs.com/thread-1931664-1-1.html

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