单项选择题

A（） leads at right angles to the center line from the forecastle to the shore.

A. fore spring line
B. fore breast line.
C. head line
D. stern line

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单项选择题

A. An aft spring
B. An aft breast line
C. A fore breast line
D. A stern line

单项选择题

A. head line
B. fore breast line
C. fore spring
D. stern line

单项选择题

A . head line
B. breast line
C. stern line
D. spring line