问题
单项选择题
套筒挤压连接优点是()。
A.接头强度高
B.质量不稳定
C.设备移动方便
D.连接速度较快
答案
参考答案:A
解析:
套简挤压连接的优点是接头强度高,质量稳定可靠,安全、无明火,不受气候影响,适应性强。
套筒挤压连接优点是()。
A.接头强度高
B.质量不稳定
C.设备移动方便
D.连接速度较快
参考答案:A
解析:
套简挤压连接的优点是接头强度高,质量稳定可靠,安全、无明火,不受气候影响,适应性强。
用方框中所给单词的适当形式填空。 | |
2. The novel is so moving that it's well worth ________. 3. There is no doubt that the Huangyan Island ________ to China. 4. Our government is trying to make sure the students take school buses ________. 5. We hope Liu Xiang will run ________ than any other runner in the London Olympics. |