毅枫激光焊补技术中心是一家代理ROFIN设备的新兴公司.Yi Feng laser welding technology center is an agent ROFIN equipment emerging companies.详细叙述了大型铸铁导轨缺陷的热焊补方法,从不同角度考虑选取了铸件的焊补工艺.The hot welding repairing method of defects of heavy cast iron guid...
Verification or falsification alone is not enough to demarcate science.单凭证实或证伪都不足以为科学划界.Demarcate port is received, the user needs identity test and verify.限定端口接入, 用户需身份验证.A special UN commission was formed to demarcate ...
Not all football stars are ill-behaved louts.并非所有的足球明星都是举止粗野的人。These young louts deserve to be horse-whipped.这些粗野的小子应该用马鞭狠狠抽一顿。Louts was so tired that he hit the hay soon after supper.露易丝很累,所以一吃完晚饭就睡觉去了....