问题
问答题 简答题
在冬季到来之前应对吊机采取哪些防冻措施？
答案
参考答案：
1）对发动机冷却水更换防冻液；
2）燃油系统更换-35#柴油；
3）对发动机部分进行保温；
4）冷却系统预热；
5）发动机启动后10－15分钟的预热。
搜题请搜索小程序“爱下问搜题”
在冬季到来之前应对吊机采取哪些防冻措施？
参考答案：
1）对发动机冷却水更换防冻液；
2）燃油系统更换-35#柴油；
3）对发动机部分进行保温；
4）冷却系统预热；
5）发动机启动后10－15分钟的预热。
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| Radio, telephone and television are widely used in the world. When you 1 the radio, you can listen. But when you use the telephone, not only you can listen to others 2 you can talk with them; however, you 3 see anything at all. Television is much better than 4 of them. People can watch TV and listen to it. But they can't take part in 5 they see. Today some people are using a kind of telephone called the picture phone or vision phone. 6 it two people who are talking can see each other. Picture phone can be very 7 when you have something to show the person you are calling. They may have other uses in the future. Some day you may be able to 8 a library and ask to read a book right over your picture phone. You may also be able to go shopping through it, too. When you 9 something in the newspaper that you think you want to buy, you may go to your picture phone and call the shop. The shop assistant will show you the thing that you're 10 in right over the phone. You'll be able to shop all over the town and never leave your home. | ||||
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