Vertical farms will be highly efficient and densely built, eliminating heavy machinery and farming equipment responsible for a significant amount of agricultural emissions.

垂直农业将是高效率和高密度的，并避免了使用重型机械和农业设备带来的的大量废物排放。

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Diesel driven LHD units are highly efficient ore hauling equipment in underground mining operations.

柴油铲运机是地下采矿作业中的高效运矿设备。

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It is an important measure that preventive maintenance be strengthened in keeping the safe and highly efficient operation of medial equipment for maximum social and economic benefit.

加强预防性维护是保证医疗设备高效、安全运行的一项重要措施，使其社会效益和经济效益达到最大化。

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