在拉深，挤压工序中，由于模具间隙的原因，所以对材料的什么要求较严？
参考答案：
对材料的厚度公差要求较严。
What a table! I've never seen such a thing before. It is ________ it is long.
A．half not as wide as
B．wide not as half as
C．as wide as not half
D．not half as wide as
不符合铁粒幼细胞性贫血的是（）
A.血清总铁结合力增高
B.血清铁增高
C.转铁蛋白饱和度增高
D.血浆铁转换率增高
E.铁蛋白增高
