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- After rolling,welding and heat-treatment,the pipe may have some defaults,such as out-of- straightness and ovality. 经过轧制、焊接和热处理后,钢管存在轴线方向弯曲和横截面椭圆度的缺陷。
- Manufacturing methods, including plating + rolling, explosion composite-forming + drawing, rolling welding + drawing and so on, for micro-profiled contact tape were reviewed in this paper. 回顾了微异型接点带制备方法的研究现状,介绍了目前常用的制备方法:电镀+轧制、爆炸复合+拉拔成型、滚焊复合+拉拔成型等及它们的优缺点。
- Chock the barrel up or else it will roll over. 用楔子塞住圆桶,不然它会滚过去。
- The slow steady roll of the ship made him sick. 轮船不停地缓慢摇晃使他感到不适。
- The desk calculator use a roll of paper. 这台台式计算机使用卷纸。
- She is crazy about rock and roll. 她喜欢摇滚乐。
- I'm going to a rock and roll concert tonight. 我今晚正要去参加摇滚音乐会。
- If the table top isn't level, things will roll off. 如果桌面不平,东西就会滚下来。
- Some metals weld better than others. 有些金属容易焊,有的不容易焊。
- The boy turned up missing at roll call. 小男孩在点名时不见了。
- The jokes made everybody roll about. 那些笑话逗得人人捧腹大笑。
- The teacher calls the roll every evening. 老师每晚都要点名。
- He cut off a metre of cloth from the roll. 他从那卷布上剪下一米。
- Let's roll back the carpets and have a dance. 咱们把地毯卷起来跳舞吧。
- Usage of roll welding machine for hooped reinforcement cage of pile with drilling hole 钻孔桩钢筋笼滚焊机的应用
- Can you have this roll of film develop and printed? 请你给这卷胶卷冲印一下可以吗?
- On reaching welding heat, the metal surfaces are pressed together. 当金属表面达到焊接热度时就会压在一起。
- We can be struck off the roll for that. 我们会为此而被开除的。
- Let's wait till the clouds roll by. 我们应该等待时机。
- Some of the students are welding capacitor; the others resistor. 学生中的一些人在焊接电容,另一些人在焊接电阻。