timed vital capacity:
timed vital capacity:
发布时间：2025-09-15 14:32:57
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答案：即时间肺活量。是指在最大吸气后,以最快速度所能呼出的气体量,并分别测定第1秒、第2秒、第3秒末呼出气体量所占肺活量的百分比,正常成年人各为83%、96%和99%。
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