单项选择题
A.hoisting a windsail B.parcelling C.sewing canvas D.testing canvas
A rolling hitch can be used to().A.make a temporary eye...
单项选择题A rolling hitch can be used to().
A.make a temporary eye B.mouse a hook C.secure a line around a spar D.shorten a line
A J-chaser is used to().A.transfer a pennant wire to th...
单项选择题A J-chaser is used to().
A.transfer a pennant wire to the anchor handling vessel B.clean chain as it is hauled into the rig C.lower spring buoys into the water D.retrieve an anchor after the buoy has been lost
A fid is a().A.mallet used when splicing wire ropeB.sha...
单项选择题A fid is a().
A.mallet used when splicing wire rope B.sharp pointed crow bar used to unlay wire rope C.tapered steel pin used to separate wire rope D.tapered wooden pin used when splicing heavy rope