机械工程专业英语词汇翻译
秒，第二 second第二种愩杆 second class lever中级纹锉 second cut file二挡 second gear秒针，旧货 second hand第二谐波（第二谐和函数） second harmonic铆钉 second head运动第二定律 second law of motion热力学第二定律 second law of thremodynamics断面二次矩 second moment of area秒针 second pointer第二级膨胀 second stage expansion二挡 second [speed] gear副作用 secondary action次级空气 secondary air次级空气鼓风机，次级风扇 secondary air fan二次合金 secondary alloy再制铝 secondary aluminium副轴线 secondary axis二次电池 secondary battery副拉条，副撑条 secondary bracing二次电池 secondary cell副电路，二次回路 secondary circuit子锺 secondary clock二次线圈 secondary coil语际翻译 版权所有
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