环状供电connected: adj. 有联络的,联系着的;连续[贯]的。 conne ...power: n. 1.力,力量;能力;体力,精力;(生理)机能;〔常 ...supply: adv. =supplely. centrally connected power supply: 集中供电main linely connected power supply: 干线供电下载手机词典可随时随地查词查翻译