The boy was suffering from a bowel obstruction and he died.这个男孩因患肠梗阻死去了。Irritable bowel syndrome seems to affect more women than men.女性比男性更易患肠易激综合征。Research shows that a high-fibre diet may protect you from bowel cancer....
乙酰苯胺 、 己二酸和邻苯二甲酸氢钾可以使PVC结晶度增大.Acetanilide and hexane diacid, potassium hydrogen phthalate could improve PVC crystallinity.同时可以供应己二酸螺旋霉素,恩波酸螺旋霉素.Spiramycin adipate and spiramycin embonate are also available for animal use...