Warning: file_put_contents(/www/wwwroot/ppbbu/28094.com/cache/fdac90eb1b5abc8567b7e453b85995d4.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/28094.com/index.php on line 55 upperpart是什么意思，upperpart的翻译，upperpart音标、读音、用法和例句_贰靶汉英词典
It occurs in the upperpart of Lower Permian strata.It is composed of crystalline limestone with white-lighter gray-gray marble. 矿床主矿体赋存于下二叠统上部地层，主要岩性为结晶灰岩夹白色-浅灰-灰色大理岩。