例句與造句

1. 7 . it is indicated the prospects for exploration are beidagang bueried - hill - drape - lik fold oil accumulation belt , baidong structure belt and chengbei fault step oil accumulation belt , which directs the explorations of neogene in qikou depression
   7 、指出了有利的勘探區(qū)帶是北大港潛山?披覆背斜油氣聚集帶、白東構(gòu)造帶和埕北斷階式油氣聚集帶，為歧口凹陷上第三系的勘探明確了實(shí)施方向。
2. It's difficult to find fault step in a sentence. 用fault step造句挺難的