Why are cast metal sheet ingots hot-rolled first instead of being cold- rolled?
举一反三
- Galileo<br/>rolled small metal balls down the incline. A: slope B: mountain C: architect D: tendency
- Over _______ , dead. A: rolling the goat B: rolled the goat C: did the goat roll D: the goat rolled
- How is the ductility of a metal normally affected by cold working?Why?
- Wehave_thedrumonebyoneandfoundthatmostofthemareleaking. A: tested B: examined C: traced D: rolled
- 这出戏剧枯燥得让人无法看下去。观众开始看表、咳嗽、东张西望。 A: The play was to unpleasant to watch. The audience glanced at their watches, coughed, and rolled their eyes. B: The play was too pleasant to watch. The audience glanced their watches, coughed, and rolled their eyes. C: The play was too unpleasant to watch. The audience glanced at their watches, coughed, and rolled their eyes.