But built-up sealing device, a newly developed one has the advantage of the "o" type and gets rid of its disadvantage.
组合式密封装置是一种新型低摩擦力的密封装置，它既保持了“O”型密封圈的优点，又克服了“O”型密封圈的不足。
The hydrocyclone type oil water separating device developed by the author and its effect are described. The great importance o...
介绍了作者研制的水力旋流器式油水分离装置及其效果，指出利用复合力对分离乳化油的重要作用。
The hydrocyclone type oil water separating device developed by the author and its effect are described. The great importance o...
介绍了作者研制的水力旋流器式油水分离装置及其效果，指出利用复合力对分离乳化油的重要作用。
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