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27m\h换算为cm\s是多少
计算焊接时线能量
人气:388 ℃ 时间:2020-04-12 08:27:02
解答
27m\h
=27x100cm/3600s
=27x100/3600cm\s
=27/36cm\s
=3/4cm\s
=0/75cm\s
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