【简答题】客车空调制冷系统的两个热交换器为 和 。
【单选题】女性,20岁,上呼吸道感染,在服用止咳糖浆时,护士嘱其不宜饮水的目的是
【单选题】患者,女性,40岁,反复右上腹部痛20余年,再发伴恶心、呕吐3天,T39℃,B超示急性胆囊炎,胆囊多发性结石。如行手术,术后护理正确的是()
B.
活动宜小心,禁忌早期下床活动,以免引起切口疼痛或裂开
C.
观察生命体征及腹部体征变化,警惕出血及胆瘘等并发症
【单选题】As to the international business negotiation for both the machine and the relevant technology, the best negotiation method is ( ). C To establish two negotiation groups and let these two groups to n...
A.
To establish only one negotiation group and let the group to negotiate both the machine and the relevant technology and conclude two pieces of contract which include the machine and the relevant technology respectively
B.
To establish only one negotiation group and let the group to negotiate both the machine and the relevant technology and conclude a piece of contract which includes both commodities
C.
To establish two negotiation groups and let these two groups to negotiate the machine and the relevant technology respectively, however, in the end they conclude only a piece of contract which includes both commodities
D.
To establish two negotiation groups and let these two groups to negotiate the machine and the relevant technology respectively and conclude two pieces of contract which include both commodities respectively
【简答题】大多数苷为左旋,苷水解生成的糖多为( )。
【简答题】客车空调制冷系统的两个热交换器为 和 ,当制冷剂经过 时,由气态变化成液态。