问题
单项选择题
平带传动主要用于两轴平行，转向（）的距离较远的传动。
A、相反
B、相近
C、垂直
D、相同
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
平带传动主要用于两轴平行，转向（）的距离较远的传动。
A、相反
B、相近
C、垂直
D、相同
参考答案：D
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| How much do you know about manners (礼仪)? Different countries have 1 manners. In 2 Asian countries, it is good manners to take off your 3 before you go into a house. 4 in European (欧洲) countries, even if they sometimes become very dirty. this is not done. If you are a 5 in a Chinese house, when you have a meal, you usually do not 6 the food. You often leave a little to 7 that you have had enough. But in England, a visitor always finishes food to show that he has 8 it. We must know the customs (风俗) of other 9 , So that they will not think 10 bad-mannered. People all over the world 11 that a well-mannered person should be kind and 12 to others. If you 13 this, at least you will not go very far wrong. 14 likes a person with good manners. but no one likes a person with bad manners. 15 your manners. | ||||
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