“hydraulic mining of placer”的概念、定义、翻译、参考文献-科学参考

单词	hydraulic mining of placer
释义	hydraulic mining of placer Encyclopedia 工学海滨砂矿开采释 hydraulic mining of placer砂矿露天水力开采用水枪冲采砂矿，并用加压运输或自流运输的方式进行矿石运输的开采方法。
随便看	direct construction direct contact condensation direct-contact cool storage device direct coproduct direct correlation direct correspondence direct cost of books and periodicals direct count direct counting direct coupled transistor logic direct coupled transistor logic, DCTL direct-coupling hoist direct credit control direct cropping direct cross direct cross-border securities offerings direct current direct current amplifier direct current arc furnace steelmaking direct current arc source direct current bridge direct current bridge, DC bridge direct current, DC direct current discharge direct current fields in whole space

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