壳套,罩棚,护井套管(钻油台)的英文

casing

• 壳:    shell; hard surfac ...
• 罩棚:    an awning over a g ...
• 护:    protect; guard; sh ...
• 井:    well
• 套管:    drivepipe; annular ...
• 钻:    drill; auger
• 油:    oil; fat; grease
• 台:    tower