8. Which of the following tanks are defined as self-supporting tanks in IGC Code (International Gas Carrier Code)?
(A) Independent tanks.
(B) Membrane tanks.
(C) Semi-membrane tanks.
(D)Integral tanks.
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統計: A(484), B(68), C(176), D(143), E(0) #1973636
統計: A(484), B(68), C(176), D(143), E(0) #1973636