摇曳的微光
发表于 2025-3-25 04:40:55
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英寸
发表于 2025-3-25 09:48:47
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seruting
发表于 2025-3-25 12:34:20
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maladorit
发表于 2025-3-25 17:07:50
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intoxicate
发表于 2025-3-25 23:56:02
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investigate
发表于 2025-3-26 02:21:05
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丛林
发表于 2025-3-26 06:22:33
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使成波状
发表于 2025-3-26 10:13:05
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个人长篇演说
发表于 2025-3-26 13:20:53
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惰性女人
发表于 2025-3-26 18:40:09
Investigation of Manual Material Tasks Performed by Workers in North Indian Manufacturing Industried that due to a lack of standards for optimum load for MMH tasks, workers were exposed to musculoskeletal disorders. Lower back, wrist, shoulder, neck, upper back were the most painful problem areas which were observed in the workers.