27m\h换算为cm\s是多少计算焊接时线能量

问题描述:

27m\h换算为cm\s是多少
计算焊接时线能量

27m\h
=27x100cm/3600s
=27x100/3600cm\s
=27/36cm\s
=3/4cm\s
=0/75cm\s