In anchoring orders,UP AND DOWN means(). A
题型:单项选择题
问题:
In anchoring orders,UP AND DOWN means().
A.the chain is not upright
B.the chain is tight
C.the chain is upright
D.the chain is slack
In anchoring orders,UP AND DOWN means().
A.the chain is not upright
B.the chain is tight
C.the chain is upright
D.the chain is slack