He is weighing the possibility of filing criminal charges against the doctor.他正在仔细考虑对那个医生提起刑事诉讼的可能性。The baby was born three months early weighing only 3 lb 5oz.婴儿早产3个月，体重只有3磅5盎司。...spacecraft guidance systems weighing on...
Method: A skin incision trocar venipuncture cannula was used to replace vein incision.方法: 采用皮肤切开套管针静脉穿刺置管代替静脉切开.One of the best areas for the cannula is the cephalic vein in the shoulder area.肩部的头静脉是放置静脉导管最好的部位之一.Objecti...