日立有限公司更创制出无油式螺杆空气压缩机，提供绝不含油份、优质的净化空气，以满足生产高科技产品的用户需要。
To satisfy the need of hi-tech product manufacturer, Hitachi developed an oil-free series air compressor, which can provide oil-free and high quality clean air.
日立有限公司更创制出无油式螺杆空气压缩机，提供绝不含油份、优质的净化空气，以满足生产高科技产品的用户需要。
To satisfy the need of hi-tech product manufacturer, Hitachi developed an oil-free series air compressor, which can provide oil-free and high quality clean air.
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