免费人成视频19674不收费

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        2. Home > Maintenance Area > TURBINE
          When there is no specify rule, oval tile top and sides of the gap, hpw much preferable?

          Oval watt upper and lower oil wedge are formed, so that the pad vibration resistance than the cylindrical tile enhanced oil to form a double wedge, and generally at the top of the shaft gap thousandth the diameter of the bearing neck, both sides of the gap is a fraction of the diameter of the journal.

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