在钢筋混凝土梁中,梁侧面纵向钢筋标注有N和G两种符号,请问他们有什么区别?
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A person suffering from possible broken bones and internal injuries should().
A. be assisted in walking around
B. be examined then walked to a bunk
C. not be moved but made comfortable until medical assistance arrives
D. not be allowed to lie down where injured but moved to a chair or bunk
颗粒剂可分为()、()、()、肠溶颗粒剂、缓释颗粒剂。
一棵哈夫曼树有12个叶子结点(终端结点),该树总共有()个结点。
A. 22
B. 21
C. 23
D. 24
狭义的观点认为,库存仅仅指的是在仓库中处于暂时停滞状态的物资。
A. 正确
B. 错误