straightening machine造句
platestraighteningmachinerailstraighteningmachineThispaperstatesthebasicprincipleofoperationofcolddrawingandstraighteningmachine.Itderivesbasicformulatodeterminethemajorsizeandparameters....
相关straightening的文学知识
straightening造句
platestraighteningmachinerailstraighteningmachineTheelevatorguideneedshighprecisionstraightening.Whenstraighteningup,Isawtheblueseaandsails.Iwasstraighteningmyschoolbagwhenyouphonedme.Inthispaperacalc...