引入线 lead line

1、什么是线锁定同步（line lock）？

什么是线锁定同步（line lock）？

2、A spring line leads（）.

A spring line leads（）.Afore and aft from the ship's sideBto the dock at a right angle to the vesselCthrough the bull nose or chock at the bowDthrough the chock at the ster

3、迂回线 around about line of hump

迂回线 around about line of hump

4、调用绘制“构造线”的命令是“LINE”。

调用绘制“构造线”的命令是“LINE”。A正确B错误

5、A mooring line leading 45° to the keel

A mooring line leading 45° to the keel，used to check forward or astern movement of a vessel，is called a （）.Aspring lineBwarp lineCbow lineDbreast line

6、A mooring line leading at nearly right

A mooring line leading at nearly right angles to the keel is a （）.Aspring lineBbow lineCstern lineDbreast line