Railroad lines are regularly checked, in fact, and well maintained.

事实上，铁路线会受到定期检查，并且被很好地维护。

youdao

Similarly, water pumps, power steering pump, air conditioning compressor bearings should be regularly checked.

同理，水泵、转向助力泵、空调压缩机的轴承也应定时查看。

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To maintain correct time on the clock, the tower has been regularly checked by the clocksmiths of the city over numerous generations.

UNESCO: Culture

Older teenagers and young adults are less likely to be covered and checked regularly.

ECONOMIST: Children and cancer

If you wear glasses or contacts, you'll likely need to have your eyes checked regularly.

CNN: Nearsightedness