电工钢铁损和磁感的测试可按GB/T13789测试,也可按GB/T3655测试。
参考答案:对
选词或按单词的正确形式填空。
1. Now I'm putting film ___________ (in / on) my camera.
2. These children ___________ (be) crying.
3. Can you point ___________ (in / to) Danny's arms?
4. He ___________ (look) in fifteen shops.
5. She buys a hat ___________ (to / for) her brother
颅脑CT增强扫描不能显示病变的
A.形态
B.大小
C.位置
D.数目
E.病理分类