单选题If an anchor windlass has been idle for some time, you should （）.Arepack all valve stemsBlubricate it prior to useCreplace the foundation boltsDbalance the warping heads
单选题
If an anchor windlass has been idle for some time, you should （）.
A
repack all valve stems
B
lubricate it prior to use
C
replace the foundation bolts
D
balance the warping heads
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