常見例句雙語(yǔ)例句They were mainly distributed and concentrated in PRD where Guangzhou and Zhaoqing are the centers, and in other areas distributed sporadically.來(lái)粵回族主要集中在以廣州為中心的珠江三角洲地區(qū)和以肇慶為中心的西江一帶,其它地區(qū)亦有零星分布。Producing oil by bailing is more suitable for new wells with low oil production, sporadically distributed wells and the pumping wells with low productivity and low profit.提撈采油更適合于低產(chǎn)新建產(chǎn)能井、零散油井和已投產(chǎn)的低產(chǎn)、低效抽油井。The Upper Cretaceous Daxingzhuang Formation in western Liaoning is mainly distributed in Jinzahou and Yixian and also outcrops sporadically in the Boluochi , Chaoyang, and Jianguo, Fuxin.遼寧西部白堊系上統(tǒng)大興莊組主要分布于錦州、義縣地區(qū),在朝陽(yáng)波羅赤、阜新堿鍋等地也有零星出露。 返回 distributed sporadically