单词	细焰笔螺
释义	细焰笔螺Strigatella pica
随便看	critical sampling mass critical saturation critical score critical section critical section routine critical security parameter critical self-excitation critical set critical shear critical shearing stress critical shear rate critical shear stress critical shear velocity critical shields number critical single contingency event critical singularism critical situation, critical size critical size for chain reaction critical size of nuclear reactors critical slope critical social marketing critical social policy critical social work critical sociology