PCEA started at the beginning of the first labor process. The period of labor,VAS,labor mode and Apgar score were recorded at each labor process.是什么意思_PCEA started at the beginning of the first labor process. The period of labor,VAS,labor mode and Apgar score were recorded at each labor process.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句