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国内曾对长途列车乘务员生理和劳动能力进行过调查［1］。为了解全列空调客车乘务员生理和劳动能力情况进行了本次研究，以更好地保护空调列车乘务员的身体健康和提高作业能力。1对象与方法1．1对象观察组为某铁路局所属的以25G型空调客车编组的全列空调客车乘务员111人（男68?
Domestic long-distance train crew had physiological and working capacity were investigated [1]. In order to understand the full range of air-conditioned cabin crew physical and working capacity of the situation carried out this study to better protect the health of air-conditioned train crew and improve operational capability. 1 objects and methods 1.1 object observation group belongs to a railway bureau belongs to the 25G air-conditioned buses grouping a full list of 111 air-conditioned bus crew (male 68?