multiple perforation

... 03.240 单穿孔 simple perforation 03.241 复穿孔 multiple perforation 03.242 梯状穿孔 scalariform perforation ...

丝锁气压计_馆档网 ... "聚合果,复果"," Multiple fruit" "多孔状穿孔"," Multiple perforation" "聚植"," Multiple planting" ...