The bare metal was sprayed with several coats of primer.

裸露的金属被喷了几层底漆。

《柯林斯英汉双解大词典》

A car parked beside the house was burned to the bare metal, its Windows shattered.

停在房屋边上的一辆小车已被烧得只剩金属骨架，窗玻璃碎了一地。

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The Bare Metal Disaster recovery Option automates system recovery after a serious failure.

在裸机灾难恢复选件严重失败后，自动系统恢复。

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Many say that perhaps 10% of patients who get stents should get the bare metal kind, and that the almost instant switchover to drug-coated stents that occurred after the products were launched was an overreaction.

FORBES

But arteries often heal around the old, bare metal stents in a process called restinosis, re-clogging them and necessitating a second procedure.

FORBES: Magazine Article

King is recommending that a third or more of patients who get drug-coated stents might do just as well with the older, bare metal variety.

FORBES