vacuum pumps

基本解释

The vacuum system utilizes two vacuum pumps and one booster pump to achieve a vacuum.
真空系统采用两台真空泵和一台罗茨泵来实现真空。
This type of vacuum pumps and high structure is simple, easy to use, reliable, maintenance-friendly features.
该型泵具有真空度高、结构简单，使用方便、工作可靠、维护方便的特点。
The safety technical measures against explosion whistle happened on exhaust pipes during the running of vacuum pumps in pharmaceutical enterprises are discussest.
着重论述了在制药企业中真空泵运转过程中排气管发生爆鸣现象的安全技术控制措施。

As the wheels and vacuum pumps of the redistributive welfare state grind and suck, they create enormous political friction and massive economic inefficiency.
FORBES: The Fiscal Crisis Of The Welfare State
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.
ECONOMIST: The male mid-life crisis
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.
FORBES: The Impossible Made Possible

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.
当前使用的真空泵几乎与30年前一样。
水动力喷洒器