... vacuum-pumping equipment 抽真空设备 vacuum-pumping 真空排气 vacuum differential pumping system 真空差分系统 ...
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Reform of vacuum equipment, reform suction system, insulation box and oil pressure system of vacuum equipment.5.
4.改造抽真空设备的电源系统、抽气嘴系统、保温盒系统和油压剪系统。
参考来源 - 2M219磁控管抽真空新工艺研究·2,447,543篇论文数据,部分数据来源于NoteExpress
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