轨检车检测中出现轨距不良,则至少存在一股轨向不良。
参考答案:对
Since the shipment consists of seasonable goods, it is important that it is ______ as soon as possible.
A.deleted
B.demanded
C.delivered
D.detached
交叉配血试验时,主侧与供血者红细胞配合的是受血者的()
A、红细胞
B、血清
C、白细胞
D、全血
E、血小板