截面为矩形的1Cr17Ti的钢材,除轧制外未进一步加工,钢材的宽度为50mm,当冷成形笔直状报验时()
A.14
B.15
C.16
D.17
参考答案:B
解析:
72222000
根据句意和首字母提示完成单词。
1. We have a new friend. H _____ name is Kate.
2. Fei Junlong is a famous (著名的 ) astronaut (宇航 员 ) . Fei is his f _____ name.
3. — What's John's t _____ number? — It's 010-88568001.
4. — What's h _____ name? — He is Jack.
5. Jenny a _____ Tom are my friends.
6. My ID c _____ number is 37072719950109383.
7. — What is six and t _____ ? — It's eight.
8. L_____ at the picture on the wall. It's very beautiful
球墨铸铁管一般为柔性橡胶圈密封接口,一般适用于()施工。
A.穿越铁路、公路、河谷及地震区
B.大半径弯道直接安管
C.环境恶劣条件下
D.小管径直线铺设