在平衡密封设计中，筒式釉封采用了新型耐磨金刚砂材料，具有常年无故障性能。

In the design of balanced seal, the barrel type seal has adopted a new-type material of wear resistant corundum to enable no failure for many years.

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面对这种复杂路面，中联热再生设备充分展示了其卓越的性能，不仅20天无故障，而且施工效果全部达标。

Faced with this complex surface, in conjunction hot renewable equipment fully demonstrated its superior performance, not only trouble-free 20 days, but the effect of all the standards of construction.

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对于自动变速器油泵，可通过失速试验和时间滞后试验来检查油泵的性能和判断油泵有无故障。

The performance and failures of oil pumps for automatic transmissions can be checked through stall performance test and time-lag test.

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