它们的特点是结构简单、阻力系数稳定、密封可靠，基本实现了机车走行一个架修期(至少20万公里)不换修油压减振器的目标。

Thus, the target is basically reached that the locomotive can run without replacement of the oil damper between two unwheeling repairs (at least 200 thousand kilometers running).

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对装用209hs型转向架的快速客车厂修后出现晃车的原因进行了分析，并提出了改进措施。

The causes to rocking of express passenger cars with 209hs bogies after overhaul are analyzed, and measures for improvement are put forward.

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对客车转向架晃动大的故障原因进行了分析，提出了防范措施及修改段修限度的建议。

The causes to rocking greatly of passenger car bogies are analyzed. Preventative measures and suggestion to revise the depot repair limit are put forward.

youdao

对客车转向架晃动大的故障原因进行了分析，提出了防范措施及修改段修限度的建议。

The causes to rocking greatly of passenger car bogies are analyzed. Preventative measures and suggestion to revise the depot repair limit are put forward.

youdao