With the Erhai fault zone as a boundary, they are mainly basic and ultrabasic rocks in the east side, trachyte in the west side.是什么意思_With the Erhai fault zone as a boundary, they are mainly basic and ultrabasic rocks in the east side, trachyte in the west side.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句