His life was saved by a quarter-inch-thick bullet-proof steel screen.多亏一块1/4英寸厚的防弹钢板，他才捡了条命。Steel cable will be used to replace worn ropes.将用钢缆替换磨损的绳索。In the course of the 1930s steel production in Britain approximately ...
...a steel mill.钢铁厂The V - N microalloy steel with yield strength of 550 MPa is produced by EAF - CSP route.目前,在EAF-CSP 流程中通过V -N 微合金化技术可成功生产屈服强度为550MPa的高强度低合金钢.This accomplished by mounting the elements on a heavy steel...
Is circumfluence spent in heart blood how to treat?心脏血液中度回流怎样治疗?In chemical experiments, circumfluence will lead to the explosion of test tubes.在化学实验中, 回流会造成试管炸裂.The siltation relates with the circumfluence.淤积的主要原因是回流淤积....
His remedial teacher sees signs of progress in his reading and writing.他的辅导教师发现了他在阅读和写作方面进步的迹象。Middle East peace talks in Washington showed signs of progress yesterday.昨天在华盛顿举行的中东和谈有了取得进展的迹象。There have been growing signs...