单选题
发布日期:2021-03-22
bearing circle
pelorus
bearing bar
alidade
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缩唇呼气的作用是()
T0221-2005岩石单轴抗压强度试验规范中要求用()量取试件的尺寸。
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患者男性,38岁,因头疼、恶心、呕吐,以脑膜瘤入院,拟全麻下行脑膜瘤切除术。患者既往体健,入院血压168/92mmHg,ECG示窦性心动过缓,心率51次/分。此患者术中可能发生大量出血,应如何防范()。
就个人而言,对伦理决策具有影响力的因素主要包括以下几个方面()
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