What type of stern tube bearing has the le
题型:单项选择题
问题:
What type of stern tube bearing has the least friction().
A.Oil-lubricated bearings
B.Lignum vitae
C.Hard rubber
D.Bronze bushings
What type of stern tube bearing has the least friction().
A.Oil-lubricated bearings
B.Lignum vitae
C.Hard rubber
D.Bronze bushings