短語詞組短語notch -bar impact test 切口棒沖擊試驗(yàn)notch bar impact strength 缺口棒沖擊韌性notch bar test 缺口桿試驗(yàn)notch bar hot bed 齒條式熱床notch bar bending test 缺口彎曲試驗(yàn) 返回 notch bar