短语词组短語notch h sensitivity 切口霛敏度notch effect sensitivity test 缺口敏感試騐notch sensitivity ratio 凹口敏感比fatigue notch sensitivity [力]疲勞缺口霛敏度notch sensitivity test 缺口脆性試騐;缺口敏感性試騐notch sensitivity factor 缺口敏感性系數 返回 notch sensitivity