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12. 21:00 Before enter into the SOx Emission Control Area ( SECA)in EU, switched fuel oil to be
used with low sulphur fuel oil. The sulphur content S% should be ______________ .
(A) without restrictions.
(B) less than or equivalent to 1.5%
(C) less than or equivalent to 0.1%
(D) less than or equivalent to 0.5%
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統計： A(24), B(115), C(666), D(238), E(0) #1767582
統計： A(24), B(115), C(666), D(238), E(0) #1767582
