下列图例哪个表示的是法兰连接()
A.
B.
C.
D.
- · 有5位网友选择 B,占比55.56%
- · 有2位网友选择 D,占比22.22%
- · 有1位网友选择 A,占比11.11%
- · 有1位网友选择 C,占比11.11%
A.
B.
C.
D.
A.img src='https://status.shangxueba.com/ask/shiti/2020/2020-12-31/2016021510472564798.jpg' />
B.img src='https://status.shangxueba.com/ask/shiti/2020/2020-12-31/2016021510480322989.jpg' />
C.img src='https://status.shangxueba.com/ask/shiti/2020/2020-12-31/2016021510481018835.jpg' />
D.img src='https://status.shangxueba.com/ask/shiti/2020/2020-12-31/2016021510481353607.jpg' />
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