17. 蒸汽渦輪機暖機準備時開啟主海水吸入閥，此閥英文書寫為何？
(A) Main sea suction valve
(B) Main sea chest
(C) Main sea injection valve
(D) Main sea storm valve

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統計： A(1), B(0), C(0), D(0), E(0) #3016575