56.7 44.1 38.8 43.7 41.1 36.6 61.3 48.7 47.9 63.9 52.0 38.8 105.4% 102.8% 36.74% 70.4% 59.3% 60.1% 66.5% 100% 機械性質 1/4 (2011) 3 4 5 3 - 14 -