A证旧题库单选1

When a pushing vessel and a vessel being pushed ahead are rigidly connected in a composite unit they shall be regarded as ______.

发布于 2021-02-23 18:44:33

【单选题】
A a power-driven vessel
B a vessel not under command;
C two power-driven vessels
D a vessel restricted in her ability to manoeuvr

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y0000z 2023-02-23

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