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利用计算机辅助设计罗茨真空泵转子型线。
By the use of the computer auxilliary design, the rotor's cycloids of Roots (Rhodes) vacuum pumps are designed.
youdao
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罗茨真空泵的转子型线有很多种。
There are many kinds of rotor profiles for roots vacuum pump.
youdao
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罗茨真空泵的转子型线有很多种。
There are many kinds of rotor profiles for roots vacuum pump.
youdao