英语词汇拱背线是什么意思，拱背线的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	拱背线
释义	DEFINITIVE EXAMPLES 权威例句〔extrados〕The upper or exterior curve of an arch.拱背线：拱顶上面或外缘的曲形线美国传统
随便看	transistorized transistorized automatic control transistorized autopilot transistorized computer transistorized memory transistorized pulse generator transistorized register transistorized sound transistorized tester transistorized version transistorized video circuit transistorlike transistors transistors transistors transit transit transit transit transit abstract transit account transit advertising transit agent transit agreement transit angle

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