患者,女性,43岁,中午饱餐后出现上腹部绞痛,同时向腰背部呈带状放射,已持续6h。怀疑为急性胰腺炎,此时最具诊断意义的实验室检查为() ["白细胞计数","血清淀粉酶测定","尿液淀粉酶测定","血清脂肪酶测定","血清谷丙转氨酶"]
前轮前束的调整,由调整()来保证。 ["转向节臂","横拉杆","梯形臂","调整垫片"]
配送中心的管理内容主要有()。 ["收货管理","存货管理","发货管理","退货管理","设备管理"]
抗躁狂治疗的首选药物是() ["氯丙嗪","奋乃静","锂盐","氟哌啶醇","安定"]
试述清管球的发球步骤。
蚕龄