knarn.瘤；节Knn.海里(努森数)knoevenagel reaction克及文纳盖尔反应,诺文葛耳反应knurled clamping ring圆形夹紧旋环Knoop hardness number努普硬度数Knernidocoptes mutans突变膝螨Knoop's hardness testvi.卧床Knoop hardness tester努氏硬度计Knipping's spirometerknudsen inverse number克努曾逆数knives bending machine弯刀机Knoop micro-hardness努普硬度