A sequence of the coarse-grained terrigenous clastic deposits 100 m and more thick are devel- oped on the Archean to Early Proterozoic crystalline basement in Luanxian in eastern Yanshan re- gion.是什么意思_A sequence of the coarse-grained terrigenous clastic deposits 100 m and more thick are devel- oped on the Archean to Early Proterozoic crystalline basement in Luanxian in eastern Yanshan re- gion.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句