“undercurrent relay”的概念、定义、翻译、参考文献-科学参考

单词	undercurrent relay
释义	undercurrent relay [`ǝn·dǝr´kǝ·rǝnt `rē´lā] ^ELECTRICITY A relay designed to operate when its coil current falls below a predetermined value.
随便看	sector interleave sector map sector mark sector of fire sector scan sector search sector structure sector wind secular secular acceleration secular determinant secular equilibrium secular parallax secular perturbations secular trend secular variable secular variation secund secundine dike secure secure visual communications secure voice securinine securite explosive security

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