backing pump

短语词组

短語

• backing g pump 前級泵;預抽真空泵
• backing vacuum pump 前級真空泵
• high -backing pressure pump 高背後壓力泵
• forepump backing pump 預抽泵
• vacuum backing pump 真空鏇轉泵
• backing pump forepump 預抽泵
• mechanical backing pump 前級機械泵
• backing pump for molecular pump 分子泵的前級泵
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