常見(jiàn)例句

雙語(yǔ)例句

• The stratiform skarn, which is associated with schist and marble of the Tianpeng Group in the Middle Cambrian metamorphic series, is the main host rock of the Dulong tin-zinc polymetallic deposit.
  都龍錫鋅多金屬礦床的主要含礦巖石層狀夕卡巖，順層產(chǎn)出于中寒武統(tǒng)田蓬組片巖、 大理巖中。
返回 middle cambrian series