低真空管道的英文

• roughingline

• 低    low
• 真空管    vacuum tube; vacuum valve; v ...
• 道    road; way; route; path
• 粗真空管道 低真空管路    roughing line
• 低真空管    low vacuum pipe
• 抽真空管道    vacuum lead
• 粗真空管道    roughing line
• 真空管道    vacuum pipeline
• 主真空管道    main vacuum manifold
• 【元】软性(电子)管，低真空管。    soft tube
• 前级真空管道    forevacuum line; forevacuum pipe
• 真空管道操作    vacuum line technique
• 顾抽真空管道阀    fore line valve
• 真空管道输送机    vacuum pipeline conveyer
• 低真空    low vacuum; fore-vacuum
• 真空管    vacuum tube; vacuum valve; valve◇真空管电压表 valve voltmeter (vv)
• 低真空保    low vacuum protective device
• 低真空泵    coarse vacuum pump; roughing pump; roughingpump
• 低真空的    low vacuum
• 低真空度    low vacuum; rough vacuum
• 低真空规    forevacuum ga(u)ge
• 低真空计    vacuometer
• 低真空计量    low vacuum measurement
• 低真空密封    low vacuum seal
• 低真空脱扣    low-vacuum trip