单选题锚的失重不应超过原锚重的（），否则应换新。A10%B15%C20%D25%
单选题
锚的失重不应超过原锚重的（），否则应换新。
A
10%
B
15%
C
20%
D
25%
参考解析
解析：
暂无解析
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