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【单选题】
弥散性血管内凝血时，其实验室检查下述哪项不符（）A.
血小板计数进行性下降或<100×10／L< /div>
B.
凝血酶原时间延长对照3s以上
C.
纤维蛋白原<1.5g／L< /div>
D.
优球蛋白溶解时间120min
E.
3P试验阳性
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A.
going on a diet
B.
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【单选题】由于凸轮与从动杆的运动不在同一平面内,因此是一种空间凸轮机构,可使从动杆得到较大的行程这种凸轮机构属于( )。
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