The causes of the wearable zone dropout were analyzed by the metallography analysis and SEM.采用金相分析和扫描电镜分析方法,分析了钻杆接头喷焊耐磨带脱落原因.The strain of the proeutectoid ferrite in hypoeutectoid steel drawing measured and analyzed by ...
George struggled wildly, going under and resurfacing at regular intervals.乔治疯狂地挣扎,不断在水面上浮浮沉沉。Make a point of backing up your files at regular intervals.一定要定期备份文件。The cartridge must be replaced at regular intervals.弹药必须定时...
They attempted in vain to modernise these antiquated industries.他们企图使这些陈旧的工业现代化,结果劳而无功.The kitchen now is a dark cavern, with an antiquated black stove in a corner.厨房现在黑洞洞的,角落里有只破旧的黑色炉子。Many factories are so antiquated t...