慢性阻塞性肺疾病[COPD]患者接受长期家庭氧疗的主要指征是PaO2<______mmHg。
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上一篇:请根据公关口才应用原则中语境原则及其运用注意事项的知识,对下列案例中电气公司推销员的话语作出评价。Passage 3 Retail sales and consumer prices had record declines in Japan last year, the govemment said, indicating that weak personal spending continues to cripple the world's second-largest economy. Sales fell at the nation's retailers for an
请根据公关口才应用原则中语境原则及其运用注意事项的知识,对下列案例中电气公司推销员的话语作出评价。
Passage 3 Retail sales and consumer prices had record declines in Japan last year, the govemment said, indicating that weak personal spending continues to cripple the world's second-largest economy. Sales fell at the nation's retailers for an