克罗斯比两边的第一根肋骨都被摘除，很快他就停止服用华法林阻凝剂，他已经四年没有在发病了。
Crosby had his first rib removed from each side and was soon able to stop taking the warfarin. He has been symptom-free for four years.
导出奥利康和克林根贝尔格锥齿轮铣齿机差速挂轮比和分齿挂轮比计算通式；
In this paper calculation formulas of differential change gear raito and index change gear raito for Oerlikon and Klingelnerg bevel gear generating machines are derived.
导出奥利康和克林根贝尔格锥齿轮铣齿机差速挂轮比和分齿挂轮比计算通式；
In this paper calculation formulas of differential change gear raito and index change gear raito for Oerlikon and Klingelnerg bevel gear generating machines are derived.
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