automatic shutoff system造句

• The report blames the rig crew for missing the increased pressure readings . 5 ) When the flow was noticed, the crew activated the blowout preventer and diverted the oil to a mud separation system rather than diverting it into the ocean; diverting it into the ocean may have spared much of the damage . 6 ) The design of the mud separation system allowed the oil to keep coming and gas carried by the oil to be vented onto the rig . 7 ) The venting system allowed the gas to move into areas of the rig where it would be in contact with electrical equipment . 8 ) The blowout preventer failed in several ways; controls on the rig were disabled by the explosion; an automatic shutoff system within the blowout preventer failed, probably due to failure of two components-a solenoid and battery; when a submersible was able to activate a blind shear within the blowout preventer, the blind shear functioned but failed to seal the well.