短語(yǔ)詞組短語(yǔ)Pull -through production 拉動(dòng)生產(chǎn)法pull -through failure 穿出破壞rapid pull -through 迅速恢復(fù)健康pull somebody through 克服困難slow pull -through 緩慢恢復(fù)健康 返回 pull through