单项选择题
A.Etch the wire with acid B.Install a wire seizing on the wire that will be inside the socket C.Ensure the fiber core is well lubricated D.Pour molten babbitt metal into the socket
A.A drainage pipe that carries rain or spray from an upper deck to a lower deck B.A pipe under the anchor windlass leading to the chain locker C.A chute，usually over the stern，to lead dumped garbage clear of the hull D.An opening in the deck leading outside the hull
A.It increases B.It decreases C.It remains the same D.It fluctuates，depending on the gearing system