分析了熔炼电炉钢制造的铝型材热挤压模的失效原因及影响因素.The causes of lose effectiveness of aluminum profile hot extrusion die made - smelted steel are analyzed.按冶炼方法,钢可分为 平炉 钢 、 转炉钢和电炉钢.By refining methods steels can be divided open - hearth furn...
Homogamy occurs in the closed cleistogamous flowers that appear late in the season in certain plants.导致发生自花授粉的可能性很大.The results show significant non - synchronous changes in various components of the educational homogamy...
The lights of the car lit up a signpost.车灯照亮了路标。A signpost indicated the right road for us to follow.路标指给我们应走的路.We drove past a signpost I couldn't read.我们驶过一块路标,可是我读不懂....
总裁捶胸顿足，称那是个错误的交易。The president beat his breast and called that deal a mistake.牙龈萎缩可能是疾病导致的，也可能仅仅是错误的刷牙方式引起的。Receding gums can be the result of disease or simply incorrect brushing.他们认为任何涉及捕杀狗的立法都是错误的。They think that any ...