screwing rolling造句

• More than 100 sets of hot forging sets specially manufacture some large - scale bolts , ( process including blank , forging , chamfer and rolled thread ) screw rolling machines . the company has become a specialty that can produce all bolts , big or small , from m6 - m56 in specifications
  热锻专用设备100余台（套） ，专门制作一些大规模螺栓， （工序从落料、打头、倒角、滚丝）滚丝机，公司就形成了大小螺丝都能生产的专业户，规格从m6一直到m56 。
• The company ' s main products include : ordinary - type , forward - and - backforward - thread typeandcalibre - changed type , three series and 50 - odd varieties of steel straight thread connecting sleeve piece and steel straight thread screw rolling machine , screw rolling wheel , cutting tool , reinforced thread head special gauge , moment spanner ect . , auxiliary tools which are used in construction
  公司主要产品有标准型、正反丝型、变径型三大系列五十多个品种的建筑用钢筋直螺纹连接套筒和钢筋直螺纹（剥肋）滚丝机及滚丝轮、切削刀具、钢筋丝头专用量规、力矩扳手等辅具。