问题
单项选择题
A serving mallet is used in（）.
A.covering wire or fiber rope
B.forcing fids into a line
C.dogging hatches
D.splicing lines
答案
参考答案：A
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A serving mallet is used in（）.
A.covering wire or fiber rope
B.forcing fids into a line
C.dogging hatches
D.splicing lines
参考答案：A