例句與造句

1. The time difference curve may confirm the fast formation ; judge the tool ' s centrality ; verify the bonding quality combining with cbl / vdl curves , and also determine the casing collar position , etc
   時(shí)差曲線則可以根據(jù)時(shí)差的大小驗(yàn)證快速地層；由曲線的變化幅度判斷儀器在井中的居中程度；結(jié)合首波的幅度曲線波列的變密度曲線驗(yàn)證膠結(jié)狀況是否良好；利用時(shí)差曲線的變化確定套管接箍位置等。
2. It's difficult to find casing collar in a sentence. 用casing collar造句挺難的