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The drive motor will have a brake arranged to fail-safe, i√eit will （） the load if power fails or machine is stopped.
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The drive motor will have a brake arranged to fail-safe, i√eit will （） the load if power fails or machine is stopped.
A、cast
B、put
C、hold
D、let out
时间：2022-01-03 08:00
关键词：
船舶辅助机械
答案解析
C
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