含硫化氢井试油时,地面流程应()。
A.采用防硫井口
B.采用常规分离器
C.采用常规井口装置
D.直接放喷管线
参考答案:A
小题1:____________are from England.
A.Danny and Amy
B.Jane and Amy
C.Yukio and Danny
D.Jane and Danny小题2:Danny and Amy have ____________ hair.
A.long
B.short
C.yellow
D.black小题3: ____________ are 12.
A.Amy and Danny
B.Jane and Yukio
C.Amy and Jane
D.Yukio and Danny
索证就是在确定供应商时,向其索取所采购食品的检验合格证。