问题
单项选择题
Generally speaking,the most favorable bottom for anchoring is().
A.very soft mud
B.rocky
C.a mixture of mud and clay
D.loose sand
答案
参考答案:C
Generally speaking,the most favorable bottom for anchoring is().
A.very soft mud
B.rocky
C.a mixture of mud and clay
D.loose sand
参考答案:C