基本解释[经济学]工程结束后英汉例句双语例句Upon the completion of these works in 1999, East Rail's capacity will be increased by some 15 per cent.这些改善工程在一九九九年完成后，东铁的载客量将会增加大约一成半。词组短语短语tests upon completion of works 工程完工检验专业释义经济学工程结束后