词汇	d.c.welding
释义	d.c.welding 直流电熔接
随便看	directed mutation directed muting directedness directednesses directed net directed network directed networks directed nondisjunction directed non disjunction directed non-disjunction directednumber directed number directed or bound inward directed order directed ordered semigroup Directed Organ Donation Directed Organ Donations directed oxidation directed oxidation of metal directed path directed-path driected-graph directed paths directed patrol directed perturbation directed pharmaceutical preparations