词汇	double helices
释义	double helices un.双螺旋；双股螺旋
随便看	Preflight Acceptance Checkout Equipment Preflight Acceptance Test preflight adaptation pre-flight adaptation preflight analysis Preflight Automatic Checkout Equipment pre-flight calibration preflight check preflight checkout preflight data insertion program preflighted preflight feeding Pre-Flight Grounded Pressure Equipment preflight ground familiarization Preflight Heat Exchanger preflighting preflight inspection pre-flight inspection preflight instructions pre-flight instructions preflight investigation preflight maintenance preparation preflight meal preflight medical analysis preflight medical examination