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The conclusions are helpful to the noise control of piston pump.
研究结果有助于柱塞泵的振动噪声控制。
youdao
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Bring forward a new method of whole numeric control processing of the piston ring.
提出了一种新型活塞环全数控加工机床结构方案。
youdao
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Bring forward a new method of whole numeric control processing of the piston ring.
提出了一种新型活塞环全数控加工机床结构方案。
youdao