土石坝

earth dams的用法和样例：

例句

Bituminous concrete facings for earth and rockfill.土石坝的沥青混凝土面层。

新视野大学英语读写教程第二册 unit2-c

Section C Earth — a Living Planet Earth looks like a big blue marble（玻璃球）; from high above the Earth and from the moon, the planet gleams and shines. The blue water in the oceans and seas

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Plans to build a series of hydropower dams on the Mekong River could threaten already endangered species in the waterway. The Mekong River is the lifeblood of Southeast Asia, with the largest inland fisheries in the world. About 40 million people dep

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学英语单词

backpart moulding machine

benign reticulohistiocytosis

Berkfurin

Bonzo

Brachymegalodactyly