“ditch and channel machinery”的概念、定义、翻译、参考文献-科学参考

单词	ditch and channel machinery
释义	ditch and channel machinery Encyclopedia 工学水利机械释 ditch and channel machinery沟渠机械为防守、灌溉或排水挖掘水道所用的机械。
随便看	Frey freyalite Frey curve Frey elliptic curve f(R) gravity model F. R. Helmert F. R. Helmert (1843—1917) Fria friability friable Sands friable sands friar fricative Fricke Fricke dosimeter Fricsay Ferenc frictiograph friction frictional angle frictional coefficient frictional force frictional force microscopy frictional lichnoid eruptions frictional pressure drop frictional pressure drop in two-phase flow

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