This method can reduce Labour intensity, improve working efficiency and ensure the deburring effect of Cu alloy part.
这种方法能降低劳动强度，提高工作效率，较好地保证铜合金零件抛光去毛刺效果。
The rice nurseling-seedling-scattering was a new technique of rice cultivation, which has the economic predominance of saving water, reducing labour intensity and production costs.
认为乳苗抛栽是介于水稻直播和抛秧之间的一种新的水稻轻型栽培技术，具有节约水资源、减轻劳动强度、降低生产成本的效益优势。
It is forbidden to assign women with jobs in mines and coal shafts, Labour of CLASS Four intensity and other jobs forbidden by the State.
禁止安排女职工从事矿山井下、国家规定的第四级体力劳动强度的劳动和其他禁忌从事的劳动。
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