词汇	trapezoidal frame
释义	trapezoidal frame 梯形结构
随便看	double differences double difference way monitoring double different earthquake location algorithm double differential double differential amplifier double differential cross section double-differential cross section double-differential cross-section double differential cross sections double differential current bridges double differential encoding double-differential-gate-drive double differentiation double diffracted double diffracting medium double-diffracting medium double diffraction double diffraction dissociation double diffraction method Double diffractive gratings double-diffuse doublediffused double diffused double-diffused double-diffused device