土壤：调查和试验。基本元素听诊法。第1部分：声芯试验。
Soil: investigation and testing - Auscultation of foundation elements - Part 1: sonic core test.
用听诊法和荧光检查法确定导管位置，以5L流量新鲜气体，用预设容积的定压式呼吸机行机械通气。
On a preset volume-pressure-limit ventilator with 5L fresh gas flow, the children were mechanically ventilated.
用听诊法和荧光检查法确定导管位置，以5L流量新鲜气体，用预设容积的定压式呼吸机行机械通气。
On a preset volume-pressure-limit ventilator with 5L fresh gas flow, the children were mechanically ventilated.
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