短語詞組短語left ventricular contraction correlation coefficient 心室收縮力flow contraction coefficient 水流收縮系數(shù)linear contraction coefficient 線收縮系數(shù)contraction coefficient of length 長度收縮系數(shù)contraction coefficient of char 半焦收縮系數(shù)thermal contraction coefficient 熱收縮系數(shù)jet area contraction coefficient 噴口收縮系數(shù)contraction coefficient of semicoke 半焦收縮系數(shù)Contraction -Expansion Coefficient 收縮 返回 contraction coefficient