A、shear ram
B、blind ram
C、pipe ram
D、annular ram
更多“An integral part of a blowout preventer that serves as the closing element on an open hole，and whose ends do not fit around the drill pipe but seal against each other and shut off the space below completely is the（）.”相关的问题
A、the ship security plan B、the company security plan C、the port security plan D、the national security plan
A、They conduct heat poorly B、They are expensive C、They cannot be replaced D、They require special tools for removal
A、Configure an authentication policy as part of the user role definitions. B、Configure a Sign-in Policy. C、Configure authentication agents as part of the user role definitions D、Configure an authentication policy as part of the authentication realm definition.
A、Check the corresponding (left versus right) parts of the body B、Watch the patient's eyes as you probe parts of the body C、Look for discoloration of the patient's skin D、Look for uncontrolled vibration or twitching of parts of the body
A、less than 100 parts per million B、more than 100 parts per million C、at least 100 parts per million D、100 parts per million
A、last part of the exhaust stroke, and the first part of the intake stroke B、last part of the intake stroke only C、early part of the injection stroke only D、early part of the power stroke
A、one-millionth part of a second B、one-thousandth part of a second C、one-hundredth part of a second D、one-tenth part of a second
客服
TOP
查看正确答案
