The original import vacuum pumps, vacuum pumping strong, no noise.

原装进口真空泵, 抽真空强劲, 无噪音.

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LS series wet roots vacuum pump is a rough vacuum pumping equipment.

LS型直排大气湿式罗茨真空泵属粗真空获得设备.

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PC Program, double air pumping, double loops vacuum pumping system.

电脑程序, 二次抽气, 双回路真空抽气系统.

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Vacuum pumping and tamper causes rapid consolidation of embankment and improve its bearing capacity.

降水和夯击力达到了快速地基土的固结,提高了地基的承载力.

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A newly developed BBH pre - vacuum pumping carburizing furnace has been introduced in this paper.

介绍了新研制的预抽真空式可控气氛气体渗碳炉.

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