单项选择题
A.Carbon disulfide B.Ethyl alcohol C.Isoprene D.Oleum
What is the（）of the turning circle in mavoeuvring?A.dis...
单项选择题What is the（）of the turning circle in mavoeuvring?
A.distance B.largeness C.diameter D.measurerment
What is required to launch a boat stowed in a crescent ...
单项选择题What is required to launch a boat stowed in a crescent davit?（）
A.Hoist the boat clear of the cradle B.Release the outboard part of the cradle C.Rig the tricing lines D.Crank the crescent out
What is normally used to pass a mooring line to a dock?...
单项选择题What is normally used to pass a mooring line to a dock?（）
A.Distance line B.Gantline C.Heaving line D.Tag line
