4. What equipment is used to relieve excess pressure. It only fitted on top of boiler and prevents
pressure to excess in boiler?
(A) Quick closing valve
(B) Relief valve
(C) Globe valve
(D) Safety valve
詳解 (共 1 筆)
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4.什麼設備用來來釋放多餘的壓力。它只安...
私人筆記 (共 1 筆)
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What equipment is ...