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管涌
Encyclopedia
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管涌
在任意方向水头梯度的渗透水流作用下,在土体内部空腔或外部的渗流出口处,首先由细颗粒在粗颗粒形成的孔隙通道中移动流失,继而发展到粗颗粒流失形成管状侵蚀通道的现象(图1)。
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Essay on the Origin of Human Knowledge
Essay on the Origin of Man
Essays
Essays on Calligraphy Selected by He Shaoji in His Thatched Study
Essays on General Criticism
Essays on LvYuan
Essays on Painting
Essays on Quyi
Essays on Quyi Literature
Essays on the Forest of Meanings in the Mahāyāna Dharma Garden
essays written in the Sui, Tang and Five Dynasities
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Esseen
Essen
essence
essence and tranquility
Essence Boxing
essence chamber
Essence Collection of the Complete Library in the Four Branches of Literature
essence for reproduction
Essence of Delicacies
Essence of External Diseases
Essence of Laozi
essence of life, vital energy and mental faculties
Essence of Poems
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