Among 449 subjects exposed to mechanic factors, the total prevalent rate of skin lesions was 49.7%, Hand rhagades was the most common sign.

接触机械性因素为主的449名，皮肤病患者占49.7%，其中以手部皲裂最普遍；

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Among 449 subjects exposed to mechanic factors, the total prevalent rate of skin lesions was 49.7%, Hand rhagades was the most common sign.

接触机械性因素为主的449名，皮肤病患者占49.7%，其中以手部皲裂最普遍；

youdao