18. “Weathertight are meaning that water not penetrate into the ship in any sea condition”是下列何者對艙口蓋之嚴格規定？
(A) IMO
(B) STCW
(C) SOLAS
(D) MARPOL

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統計： A(57), B(11), C(206), D(19), E(0) #1332669