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【单选题】
拉(压)弯组合变形时,对于剪应力的影响,下列说法正确的是( )。
A.
剪应力按截面所受的剪力进行计算。
B.
因为引起的剪应力较小，故一般不考虑。
C.
拉弯组合变形时需要考虑剪应力的影响。
D.
压弯组合变形时需要考虑剪应力的影响。
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【单选题】Which is not part of the cascade leading to formation of a blood clot?
A.
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