“sector gate”的概念、定义、翻译、参考文献-科学参考

单词	sector gate
释义	sector gate [`sek·tǝr ´gāt] ^{CIVIL ENGINEERING} A horizontal gate with a pie-slice cross section used to regulate the level of water at the crest of a dam; it is raised and lowered by a rack and pinion mechanism.
随便看	minority emitter minor key minor light minor lobe minor loop minor planet minor relay station minor surgery minor switch minor trough minuano minuend minus minus angle minus-cement porosity minus sieve minus sight minus sign minus strand minus zone minute minute hand minute pressure minutes on leg minute wheel

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