问题
问答题 简答题
托辊的作用是什么?其可以分为哪几种?
答案
参考答案:
托辊的作用是支撑胶带,减小胶带的运行阻力,使胶带的垂度不超过规定限度,保证胶带平稳运行。
托辊按其作用可分为:
(1)上托辊(槽形托辊);(2)下托辊(平托辊);(3)缓冲托辊;
(4)调心托辊;(5)胶带过渡托辊。
托辊的作用是什么?其可以分为哪几种?
参考答案:
托辊的作用是支撑胶带,减小胶带的运行阻力,使胶带的垂度不超过规定限度,保证胶带平稳运行。
托辊按其作用可分为:
(1)上托辊(槽形托辊);(2)下托辊(平托辊);(3)缓冲托辊;
(4)调心托辊;(5)胶带过渡托辊。
请选择单词,并用适当的形式填空。 | |
2. We want to do some ____. 3. How____ the weather last week? 4. They ____ a comic movie last Saturday. 5. I am ____ for the Chinese test now. 6. Julia ____ her room every week. 7. My brother and I ____ in Beijing last Friday. 8. How long did you ____ here? 9. I ____ to the library two days ago. 10. Jeff ____ all his money on playing video games. |