关于pulleys的百科

• pulleys造句怎么写

• HereisapictureofsomepulleysIcastandsomepulleypatternsImade.LDwheel,wheelgroup,drumgroup,hookgroup,pulleys,couplings,wirerope,cablepulley,motor,brake,reducer,cablereel,overloadlimiter,standardparts.Lastofalltodisappearwerethesoundsofbuilding;theechoof...
• 2017-07-1331390