sanqiao 中文意思是什麼
sanqiao
解釋
三橋-
Characteristics and evolution of sanqiao natural bridges karst systems in wulong, chongqing
重慶武隆天生三橋喀斯特系統特徵與演化 -
It has been found that the cretaceous system is widely distributed in liupanshan region including sanqiao fm, heshangpu fm, madongshan fm, and naijiahe fm
發現寧夏六盤山地區白堊紀地層廣泛發育，自下而上劃分為三橋組、和尚鋪組、李窪峽組、馬東山組、乃家河組；從沉積特徵、地層層序、沉積相表明。
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