The tensile strength, zinc coat mass and service life of die of galvanized steel wire after drawing are compared on the condition of different work cone angle.
在不同的工作锥角度下，比较镀锌钢丝拉拔后的抗拉强度、锌层质量、模子寿命。
The results show that the extrusion quality of even die, cone die and pre protection die are better, but that of the replace die is worse.
挤压结果表明：平模、锥模和前置保护分流模成型质量较好，而替代式保护分流模挤压失败；
In patients with RP, rod photoreceptors die from a mutation, but it has not been known why cone photoreceptors die.
患有色素性视网膜炎患者，杆状细胞光感受器因突变而死亡，但不知道锥体光感受器为什么也死亡？
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