“tractor gate”的概念、定义、翻译、参考文献-科学参考

单词	tractor gate
释义	tractor gate [`trak·tǝr ´gāt] ^{CIVIL ENGINEERING} A type of outlet control gate used to release water from a reservoir; there are two types, roller and wheel.
随便看	primary focus primary frequency primary-frequency standard primary front primary fuel cell primary geosyncline primary gneiss primary gneissic banding primary great circle primary growth primary gun primary haulage primary high explosive primary hydrogen atom primary hypertension primary index primary instrument primary interstice primary key primary knocked-on atom primary lateral sclerosis primary lead primary lesion primary lights primary low

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