单词	alloy structural steel
释义	alloy structural steel 合金结构钢
随便看	direct current,dc direct current, dc direct currentDCpotential direct currentdc potential direct current deposition direct current dialing direct-current dialing direct current dialling direct current differential transformer direct-current differential transformer direct current digital voltmeter direct current diode sputtering direct-current direct-current converter direct-current discharge direct current dissipation direct current dissipationpower direct current distillation direct current distribution direct-current distribution direct current drive direct-current dump direct current dynamo direct-current dynamo direct current dynamometer direct-current dynamometer