...真空度； 粗/低真空泵(Rough/Low vacuum pump):从大气压力开始并用来获得 低真空度的真空泵； 高真空泵(High vacuum pump):在高真空范围工作的真空泵； 超高真空泵(Ultrahigh vacuum pump):在超高真空范围工作的真空泵； 增压真空泵(Booster vacu...
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Shell High Vacuum Pump 8A 壳牌真空泵油8A
High-Vacuum Pump 高真空泵
High Vacuum Pump Oil 壳牌高级真空泵油
Roots high vacuum pump 罗茨高真空泵
HVP High Vacuum Pump 高真空泵
high vacuum oil diffuse pump 高真空油扩散泵
high-vacuum diffusion pump 高真空扩散泵
pump high-vacuum 高真空泵
As the Roots pump is a non-vacuum inside the compression, the compression ratio is usually very low, so high, medium and vacuum pumps need to pump before.
由于罗茨泵是一种无内压缩的真空泵，通常压缩比很低，故高、中真空泵需要前级泵。
Vacuum pump is a relatively sophisticated equipment, it's working medium is a special high boiling point, low-volatile oil pump, its effectiveness depends on the mechanical pump and pump oil quality.
真空油泵是一种比较精密的设备，它的工作介质是特制的高沸点、低挥发的泵油，它的效能取决于油泵的机械结构和泵油的质量。
The Neutral Beam Injection (NBI) system requires a clean high vacuum environment. The liquid helium cryocondensation pump with high pumping speed is an ideal vacuum obtain device.
中性束注入系统要求有洁净的动态高真空环境，大抽速液氦冷凝泵是满足此要求的理想真空获得设备。
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