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单词 θ77690
释义
the world > matter > physics > electromagnetic radiation > electricity > electrical engineering > controlling device or process > [noun] > modifying device (2)
sleeve1921

technical. A metal cylinder fitted round the full length of the core of an electromagnetic relay to modify the speeds of opening and closing. Cf. slug

slug1928

A metal cylinder fitted round the end of the core of an electromagnetic relay to modify the speeds of opening and closing. Cf. sleeve, n. 7d.

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更新时间:2025/1/11 2:06:04