ravinement 中文意思是什麼
ravinement
解釋
成壑作用-
It is condensed section with shells, downlap surface and ravinement surface that constitute the critical boundaries in dividing the system tracts of matuo formation
含有介殼的凝縮段、下超面及溝蝕面是劃分瑪托組體系域的關鍵界面。
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