何谓石蜡疗法?
参考答案:
利用石蜡热容量大、导热性小的物理特性,将加热熔解的石蜡作为温热的介质,将热能传导至机体,达到治疗作用的方法谓之石蜡疗法。
Of the following signs and symptoms of bowel obstruction, which is related primarily to small bowel obstruction rather than large bowel obstruction
A.Profuse vomiting.
B.Cramping abdominal pain.
C.Abdominal distention.
D.High-pitched bowel sounds above the obstruction.
商品价格中()是价格构成中最基本最主要的因素。
A、流通费用
B、税金
C、生产成本
D、利润