rough running meaning in English

不平稳运转
工作粗暴

Iii . the screen piece is laid rationally , it ' s fast and convenient to replace , and it ' s tightly touches the framework without the phenomena of rough running
三、筛片布置合理，更换方便快捷，与框架结合严密无跑粗现象。
It went through rough running to be annexed and recombined by the pan gang group , which adapts the development trend of the nowadays steel industry , and it brings the advantage conditions and threatens to the new corporation use them to develop the steel seamless tube industry
成都无缝钢管厂从无缝钢管行业的优势企业，到经营艰难，被攀钢集团兼并重组，新公司的成立适应了当今钢铁行业发展的趋势，为企业无缝钢管产业的发展提供了有利条件。