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Experience in treatment of 45 neonatal hyaline membrane disease cases with crossruff
固尔苏治疗新生儿肺透明膜病45例体会
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Crossruff: To trump ( one's partner's lead or a lead from the dummy) in alternating plays.
进行交叉吃张：在交替打法中用王牌吃进（同伙打出的牌或明手牌）。
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