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这将是不寻常的加工作业在现代。
This will be an unusual machining operation for modern times.
youdao
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目的探索皮毛加工作业环境对工人呼吸系统的影响。
Objective to study the respiratory system injury in fur processing environment.
youdao
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目的探索皮毛加工作业环境对工人呼吸系统的影响。
Objective to study the respiratory system injury in fur processing environment.
youdao