单词	Pingbei Oil Field
释义	Pingbei Oil Field 坪北油田
随便看	helicopter rotor blade Helicopter rotor concordant loading helicopter rotor dynamics helicopter rotor in hover helicopter rotors with flapping hinge helicopter rotor tower helicopter route chart helicopters Helicopter Safety Helicopter Safety Advisory Conference Helicopters aided the rescue efforts helicopters anti-submarine helicopters control system Helicopter Sea Control Group Helicopter Sea Control Wing Helicopter Secure Speech System helicopter-seeding grass Helicopter Self-Screening Launcher Helicopters,Emergency helicopter service ceiling helicopter ship landing platform helicopter signature helicopters incremental power spectrum analyzer helicopter sling system helicopter sonar