“bubble sextant”的概念、定义、翻译、参考文献-科学参考

单词	bubble sextant
释义	bubble sextant [`bǝb·ǝl `sek·stǝnt] ^NAVIGATION A sextant with a bubble or spirit level to indicate the horizontal.
随便看	spring contact spring cotter spring coupling spring crust spring die spring equinox spring faucet spring gravimeter spring hammer trinitromethane trinomial trinomial distribution trinomial nomenclature trinomial surd triode triode clamp triode clipping circuit triode laser triode transistor Trionychidae triose trioxygen trip tripalmitin trip change

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