4555| 7
|
伸縮人字梯的鋁管內(nèi)部結(jié)構(gòu)是怎樣的? |
點(diǎn)評(píng)
自行車車架中數(shù)鋁架震屁股。
| ||
| ||
| ||
小黑屋|手機(jī)版|Archiver|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
GMT+8, 2024-9-28 11:17 , Processed in 0.058072 second(s), 23 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.