underspeed
名词 n.
英文释义
名词 n.
-
An excessively-low speed; a speed lower than the minimum operating speed.
— An underspeed switch drops the load off if engine speed falls to 380 r.p.m. and an overspeed governor shuts the engine off if its speed rises above 1,700 r.p.m.
词汇关系
反义词
词源
From under- + speed.
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数据来源: Wiktionary