2190| 0
|
GB/T 21479.1-2008 船舶與海上技術船用推進裝置第1部分:螺旋槳幾何學詞匯(求助) |
Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
GMT+8, 2025-9-7 21:08 , Processed in 0.070487 second(s), 14 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.