28. A marine ______ is capable of protecting the steelworks onboard ships from the corrosions caused by fresh, salt, or brackish water.
(A) coating
(B) peeling
(C) stripping
(D) flaking
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統計: A(3), B(2), C(3), D(1), E(0) #3833742
統計: A(3), B(2), C(3), D(1), E(0) #3833742