为了解凿岩机局部振动对铁路隧道凿岩工健康的影响,我们对407名不同工龄的凿岩工作了局部振动病的调查,现报道如下。一般资料一、对象:随机选择407名凿岩工为对象,以同一环境下工作的92名其他体力劳动者为对照。两组499人均为30～60岁的隧道工。 To understand the local vibration of rock drills on the health of railway tunneling rock drillers, we conducted a survey of 407 cases of local vibration with different working ages and are reported as follows. General Information I. Object: A total of 407 rock drillers were randomly selected as the targets and compared with 92 other manual workers working in the same environment. Two groups of 499 per capita 30 to 60-year-old tunneler.