词汇	double core barrel
释义	double core barrel 双层取心筒
随便看	direct-comparison method of measurement direct-comparison weighing direct compatibility direct compensation measurement direct competition direct competition strength direct competitive ELISA direct competitor direct compilation Direct Complementary direct complementary circuit direct complement fixation test direct completion direct component direct componental movement direct component restorer direct composition direct compound method direct comprehension direct compression direct-compression direct compression cardiac assist direct compression process direct computation method direct computation of DFT