单项选择题
A.naphtha，vm and p B.tridecanol C.cottonseed oil D.camphor oil
An example of a grade B product is（）.A.piperylineB.moto...
单项选择题An example of a grade B product is（）.
A.piperyline B.motor gasoline C.kerosene D.mineral spirits
An entry of water，gas，oil，or other formation fluid into...
单项选择题An entry of water，gas，oil，or other formation fluid into the wellbore is called a（）.
A.blowout B.kick C.gusher D.flow
An engine compartment gasoline fire requires which type...
单项选择题An engine compartment gasoline fire requires which type of extinguisher?（）
A.Carbon dioxide B.Dry chemical C.Foam D.All of the above
