【单选题】1000m垂深处的地层压力为11.8MPa,则当量密度为()g/cm 3 。
【单选题】If the price of chicken falls, then in the market for beef,
A.
the demand curve for beef shifts rightward.
B.
the demand curve for beef shifts leftward.
C.
there is a movement downward along the demand curve for beef.
D.
there is a movement upward along the demand curve for beef.
【单选题】某井已知垂直井深为2000m,该处的地层压力为26.46MPa,平衡该处地层所需的钻井液密度为()g/cm 3 。
【判断题】根据增值税法规定,折扣销售时,可按折扣后的余额作为销售额计算增值税
【单选题】地层破裂压力梯度为0.014MPa/m,套管鞋垂深2000m,则套管鞋处地层的破裂压力为( )MPa。
【单选题】如果1000m垂深处的地层压力为11.8MPa,则压力系数为( )。
【单选题】—What kind of noodles would you like? —_______. [ ]
【判断题】如1000m垂深处的地层压力为11.8MPa,其压力梯度即为1.18kPa/m。