此试题出现在
设有内半径为a而外半径为b的圆筒受内压力q,试求内半径和外半径的改变,并求圆筒厚度的改变。
莫高窟是什么时候,由谁发现的?
下列权利能力属于特殊权利能力的是 ( )
下列关于肝外胆管结石的说法,错误的是( )。
急性胰腺炎患者如果呕吐频繁克引起:()
Cloze 5 “I’ m really thankful to our governing, for it provides us with such a good training program. The training greatly helps us live well. I will certainly study hard and learn the skills. Then I can 1 my family difficulties and do good to other people.” a learner on the job training program said, feeling 2 . The learner’s grandfather is nearly 80 years old, and his mother is 3 in bed. So his father, who is a farmer, is the main 4 of the family. The family is poor. The learner graduated from high school and did not 5 the college entrance exam. The job training pro- gram helps him learn the skills that he’ll 6 in the workplace. The story reminds me of another 7 . It goes like this: Once upon a time, there was a man who liked fishing very much, and was 8 to catch lots of fish every day. The man was a kind-hearted person, so he always 9 his fish with his neighbors who did not know how to fish. One day, he thought that it would be 10 if he taught them how to fish. So he 11 his neighbors together and showed them how to fish. Everybody was very happy that they could 12 the fish they themselves caught. At present, there are still a lot of poor people throughout the world. But it’s not good if we give only 13 to them. 14 , we should give them a chance to learn new skills. Therefore, a technical training is very important to people in need, and they will learn the ability to 15 money. People can learns lot of useful things in the training program and what they learn can help them on the way to find jobs.
螺栓孔通止检查通规须旋合通过,止规须在距端面5扣内止住。
中华世纪坛是中国人民迎接新千年、新世纪的标志性和纪念性建筑。在这里举行了迎接2001年、走向新世纪的各种庆典活动。( )
下列有关支气管肺癌的说法中,哪一项是错误的()
治疗脾肾阳虚,五更泄泻的常用药是()
暂无相关推荐~
ZG80—1500型电力机车的牵引电动机小时功率为()KW。
ZG80—1500型电力机车的牵引电动机小时功率为()KW。
ZG80-1500型机车牵引电动机采用哪些悬挂方式?
ZG80-1500型机车牵引电动机采用哪些悬挂方式?
东风11型内燃机车在电阻制动工况下,牵引电动机磁场过电流受到保护,如果牵引电动机磁场电流大于(),则主发电压限制为0V。
电力机车通常采用改变牵引电动机()电流的方向的方法改变牵引电动机的旋转方向。
电力机车通常采用改变牵引电动机()电流的方向的方法改变牵引电动机的旋转方向。
东风11型内燃机车在电阻制动工况下,牵引电动机磁场过电流受到保护,如果牵引电动机磁场电流大于(),则主发电压限制为0V。
直流牵引电动机与脉流牵引电动机相比,直流牵引电动机发热更严重,换向更困难。
直流牵引电动机与脉流牵引电动机相比,直流牵引电动机发热更严重,换向更困难。