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Please rearrange the procedures about the main engine trial. ()①close all indicator coc
Please rearrange the procedures about the main engine trial. ()①close all indicator coc
ks②inform. the bridge③give the main engine a tril on powerahead and astern④strat the engine on air on both directions
A. ④③②①
B. ①②③④
C. ③①②④
D. ②④①③
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