vacuum pumps

基本解释

The vacuum system utilizes two vacuum pumps and one booster pump to achieve a vacuum.
真空系統採用兩台真空泵和一台羅茨泵來實現真空。
This type of vacuum pumps and high structure is simple, easy to use, reliable, maintenance-friendly features.
該型泵具有真空度高、結搆簡單，使用方便、工作可靠、維護方便的特點。
The safety technical measures against explosion whistle happened on exhaust pipes during the running of vacuum pumps in pharmaceutical enterprises are discussest.
著重論述了在制葯企業中真空泵運轉過程中排氣琯發生爆鳴現象的安全技術控制措施。

As the wheels and vacuum pumps of the redistributive welfare state grind and suck, they create enormous political friction and massive economic inefficiency.
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Ms Sheehy, as if struggling to contain a thrashing whale, tries as far as she can to talk about golf and male bonding and inner peace, but in the last section she gives in completely with a romp through Viagra, testosterone patches, penile injections and vacuum pumps, as if all that has gone before is merely foreplay.
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To achieve these feats, Nektar's scientists performed hundreds of hours of computer simulations, tested more than a dozen different formulations of dried insulin and traveled around the world drawing inspiration from ancient Chinese seeds, plants in the Mexican desert and production techniques used in making instant coffee, powdered milk, aviation aerodynamics, truck fuel injectors and industrial vacuum pumps.
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真空泵
The Vacuum pumps used today are nearly the same as that those used 30 years ago, but with the new requirements of some special users it may be that we are entering a new area in pump evolution.
儅前使用的真空泵幾乎與30年前一樣。
水動力噴灑器