关于spirally的百科

• spirally造句怎么写

• Thespirallythreadedshaftofawormgear.genusofOldWorldperennialherbswithspirallyarrangedtoothedleaves.TheformingprincipleandformingAngleofspirally-weldedtubeprocessingwereintroduced.Acrackingfailureanalysisofthespirallyweldedtubesofthehomemadelowcarbons...
• 2017-10-2717524