2441| 1
|
計算三角皮帶輪轉(zhuǎn)速比用哪個直徑 |
Archiver|手機版|小黑屋|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
GMT+8, 2025-7-27 12:48 , Processed in 0.066923 second(s), 15 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.