One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (September 6)
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Participation earns a wealth reward of 3 points. Multiple-choice question: The safety devices used to release pressure from pressure vessels in chemical enterprises include safety valves and ( ). A、Steam trap B、Check valve C、Explosion-proof plate D、Throttle valve
The safety devices for releasing pressure from pressure vessels in chemical enterprises include safety valves and (C), among others. A、Steam trap B、Check valve C、Explosion-proof plate D、Throttle valve