单选题In the manufacture of wire rope，if the wires are shaped to conform to the curvature of the finished rope before they are laid up，the rope is called（）.AcompositeBleft-layCimprovedDpreformed
单选题
In the manufacture of wire rope，if the wires are shaped to conform to the curvature of the finished rope before they are laid up，the rope is called（）.
A
composite
B
left-lay
C
improved
D
preformed
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