alluviation 中文意思是什麼
alluviation
解釋
沖積；沖積作用-
Dig jade is it leave riverbed in river valley terrace, do beach to refer to, ancient river and alluviation, diluvian gravel that fan have dig seeking and d jade gravel of the layer in front of the mountains the jade of these places is brought by the flowing water too
挖玉是指離開河床在河谷階地干灘古河道和山前沖積洪積扇上的礫石層中挖尋和闐玉礫。這些地方的玉也是由流水帶來的。
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