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  1. The study not only can decrease wokers ' labor intensity , but also can decrease energy consumption and material consumption , and improve the economic benefit of enterprise , which has a good application prospect .

    不但能降低工人劳动强度,还能大大降低能耗和物耗,提高企业经济效益,具有良好的应用前景。

  2. The quantity of level B and level C enterprises is large and these enterprises are the emphasis of occupational health supervision and administration . The rate of the wokers ' occupational physical examination has yet to be raised . 4 .

    B、C级企业数量大,是职业卫生监管的重点:有害作业工人的职业健康检查率需要提高。