A.Gw指數(shù) B.dc指數(shù) C.Wh值 D.C1/C3
A.套管壓力 B.轉(zhuǎn)盤(pán)轉(zhuǎn)速 C.地層壓力 D.硫化氫
A.20ppm B.30ppm C.40ppm D.50ppm