With labour one of their biggest costs—42 percent of production expenses on U.S. farms, on average—they started using a mechanical harvest.

由于劳动力是他们最大的成本之一——平均占美国农场生产成本的42%——他们开始使用机械收割。

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With labour one of their biggest costs—42 percent of production expenses on U.S. farms, on average—they started using a mechanical harvester adapted from a machine used by wine makers.

由于劳动力成本是他们最大的成本之一——平均占美国农场生产费用的42%——他们开始使用一种由酿酒商使用的机器改装而成的机械收割机。

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In order to improve transmission assembly quality, to reduce intensity of Labour, modification of mechanical bearing pressing technology to rear cover assembly was conducted.

为了提高变速器装配质量，减轻工人劳动强度，进行了后盖总成轴承机械压装技术改造。

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Then along comes the tractor, the mechanical baler, the first milking machines, and the need for labour on the farm falls precipitately.

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