The main function of the core of a wire ro
问题:
The main function of the core of a wire rope is to().
A.give flexibility
B.support the strands laid around it
C.allow some circulation around the strands
D.allow lubrication inside the rope
The main function of the core of a wire rope is to().
A.give flexibility
B.support the strands laid around it
C.allow some circulation around the strands
D.allow lubrication inside the rope