單項(xiàng)選擇題

Molded depth is measured from the（）.

A.inside of the shell
B.outside of the shell
C.top of the center vertical keel
D.top of the garboard stake

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單項(xiàng)選擇題

Mooring（）are placed on both banks of the Suez Canal about 200m apart.

A.bollards
B.ballasts
C.bands
D.benefits

單項(xiàng)選擇題

Mooring lines should be turned end-for-end occasionally. This is because（）.

A.a line is weakened by constantly pulling on it in one direction
B.normal wear on the line is thus distributed to different areas
C.it prevents the line from kinking or unlaying
D.it prevents permanent misalignment of the line's internal strands

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Molded depth is measured from the（）.

你可能感興趣的試題

Mooring（）are placed on both banks of the Suez Canal about 200m apart.

Mooring lines should be turned end-for-end occasionally. This is because（）.