A radio medical advice service（）ships of all nationalities and no charge is made for this service. ["is available to","is available for","are available to","are available for"]
离子膜电槽跳闸（或全停直流电），透平岗位该如何处理？
蒸馏法测定原油含水率的仪器由（）等组成。 ["圆底烧瓶、冷凝管、接收器","烧瓶、冷凝管、支架","冷凝管、接收器、支架","圆底烧瓶、冷凝管、接收器、支架"]
简述隐鞭虫病的症状和病理变化。
A person has suffered a laceration of the arm. Severe bleeding has been controlled by using a sterile dressing and direct pressure. What should you do next? （） ["Apply a tourniquet to prevent the bleeding from restarting","Apply a pressure bandage over the dressing","Remove any small foreign matter and apply antiseptic","Administer fluids to assist the body in replacing the lost blood."]
简述炼焦耗热量的主要影响因素。
