![]() |
滲碳淬火齒輪的滲碳層厚度與模數的關系,求助 |
點評
198定價,很不錯的書
| ||
| ||
小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,,京ICP證050210號,浙公網安備33038202004372號 )
GMT+8, 2025-2-11 11:56 , Processed in 0.063706 second(s), 14 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.