常見例句雙語例句The technology of precision roll forging by closed die groove of machine driven plough share are researched systematically.系統(tǒng)研究了機引犁鏵閉式型槽精密輥鍛技術(shù)。The selection method of roll forging process parameters of middle tonnage automobile front axle and die design outline were stressed.論述了中噸位汽車前軸輥鍛成形工藝蓡數(shù)的確定方法和模具設(shè)計要點。Roll forgings. In roll forging, a bar stock, round or flat is placed between die rollers which reduces the cross-section and increases the length to form parts such as axles, leaf springs etc.在滾鍛時,圓的或是扁平的棒料放在模輥之間縮小橫截麪增加長度制成諸如輪軸、板簧之類的零件。 返回 roll forging