1)longissimus capitis,头最长肌2)splenius cervicis (longissimus capitis),颈夹肌(头最长肌)3)splenius capitis (longissimus capitis),头夹肌(头最长肌)4)maximum head length,头最大长5)maximum head breadth,头最大宽6)maximum milling head travel,铣头最大行程7)maximum hardness test of weld zone,焊接接头最高硬度试验