单词	closure earthwork
释义	closure earthwork 闭气土方
随便看	direct current alternating current converter direct-current-alternating-current inverter direct-current-alternating-current inverterdcac direct current ammeter direct-current ammeter direct currentamperometric detection direct current amplification factor directcurrent amplifier direct current amplifier direct current direct-current amplifier direct-current amplitude discriminator Direct current analog direct current analog computer direct-current analog computer direct-current aoupling direct current arc direct-current arc direct current arc discharge direct current arc-discharge direct current arc furnace direct current arc method direct current arc plasma furnace direct current arc source direct current arc welder