无芯棒拔制是冷拔钢管生产中应用最广泛的一种生产方法.Non - mandrel drawing is a method widely used in cold drawn pipe production.介绍了一种分析牛角芯棒上热推弯管成形过程的实验解析法.Introduce an experimental analytics axis - thrust tube bending on horn mandrel.提出了小型无缝钢管生产机...
1939年，他指挥了攻占波兰南部的行动。He had led the conquest of southern Poland in 1939.他于1939年11月抵达伦敦。He arrived in London in November 1939.1939年他志愿参军。He volunteered for the army in 1939....
最后一次看见他的时候，他正发疯般地大跨步走向饭店的前台。He was last seen striding maniacally to the hotel reception.那中士跨步离开了木板的那一头.The sergeant stepped off his end of the board.该足球队员向旁边跨步以避开对方拦截动作.The footballer side - stepped the tackle....
For us, it's something that we may aspire to but can never attain.对我们来说, 那是可望而不可即的.Jakes: Stewart was horn like to attain a pick low the heart.杰克斯: “斯图狠得下心来做出选择.”Injection moulding without rejects is the ideal mould...