In welding zone the lath shape microstructure reduces, and equiaxed microstructure increases.焊缝区在经过长时运行后板条状组织减少, 等轴状组织增多.Firstly, equiaxed microstructure could be produced by treatments including hot compression and dupl...
Exmoor National Park stretches over 265 square miles of moor.埃克斯穆尔高地国家公园位于高原贫瘠之地，占地265平方英里。Keep to the track the moor is very boggy around here.不要偏离车道--这一带沼泽地多.The open countryside was pleasant, the green moor sparkling ...
It was concluded that Tpo may be a possible autocrine factor of HEL cells.实验结论提示Tpo可能是HEL细胞的自分泌因子.He often hel me with maths when I have difficulty in it.当我学数学有困难时,他经常帮助我.Minute Beep is the tool that hel you to reduce ca...