【单选题】在材料为45#钢的工件上加工一个Φ40H7的孔(没有底孔)要求Ra=0.4,表面要求淬火处理,则合理的加工路线为()。
【多选题】凝血异常,凝血功能障碍者输血,正确的包括:( )
A.
输入相关的凝血因子或成分。如纤维蛋白缺乏,可补充病毒灭活血浆或冷沉淀。
B.
血小板减少症或血小板功能障碍者,可输注单采血小板。
【单选题】A company had sales of $375,000 and its gross profit was $157,500. Its cost of goods sold equals:
【单选题】I called on him the morning after our arrival, and was ____with his gay, precise manner and obvious power of decision.
【单选题】I called him many times, but I didn’t get through, maybe his mum _ on the phone all the time.
【单选题】A company had sales of $695,000 and cost of goods sold of $278,000. Its gross margin equals:
【多选题】凝血异常:凝血功能障碍者输血,正确的包括
A.
输入相关的凝血因子或成分。如纤维蛋白原缺乏,可补充病毒灭活血浆或冷沉淀
B.
血小板减少症或血小板功能障碍者,可输注单采血小板
【单选题】A company had sales of $375,000 and its gross profit was $157,500. Its cost of goods sold equals: