你可能感興趣的試題

In the absence of a route leading from seaward，the conventional direction of buoyage generally follows（）.

A.an anti-clockwise direction around land masses
B.a clockwise direction around land masses
C.an anticlockwise direction around sea masses
D.a clockwise direction around sea masses

單項(xiàng)選擇題

In regions where ice conditions prevail in the winter，（）.

A.the lantern panes of unattended lights may not become covered with ice or snow
B.the lantern panes of unattended lights may become covered with ice or snow
C.ice or snow is likely caused colored
D.the white lights are likely caused to appear colored

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Preferred channel marks are aids to navigation which all following marks other than（）．

你可能感興趣的試題

In the absence of a route leading from seaward，the conventional direction of buoyage generally follows（）.

In regions where ice conditions prevail in the winter，（）.

In the absence of a route leading from seaward，the conventional direction of buoyage generally follows（）.