当铸志晶粒度力4 ~ 5级寸，破碎晶炭化物组织需要有60%以上的拉应变。

To break down the eutectic carbide network of A-cast structure with grain size 4-5 grade, tensile strain of 60% is needed.

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刘丽华 王志斌 聂晶 李艳摘要目的 检测硫氮卓酮对肥厚型心肌病（HCM）左心室舒张早期血流传播速度（VP）的影响。

Objective To investigate the effects of diltiazem on left ventricular early diastolic flow propagation velocity (VP) in patients with hypertrophic cardiomyopathy (HCM).

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刘丽华 王志斌 聂晶 李艳摘要目的 检测硫氮卓酮对肥厚型心肌病（HCM）左心室舒张早期血流传播速度（VP）的影响。

Objective To investigate the effects of diltiazem on left ventricular early diastolic flow propagation velocity (VP) in patients with hypertrophic cardiomyopathy (HCM).

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