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2023年北京服贸会顿时便要停止了，北京服贸会的齐程是“2023年中国国际办事贸易逝世收悟” ，大年夜家能够制止费预定门票参没有雅 。接下去为大年夜家带去2023北京服贸会停止时候天面等疑息。门票预定公家