|
|
3줄모양
|
|
 |
zoonfHrDAir |
 |
395 |
|
 |
| Can I use your phone? http://trannytube.fun tranytube In today창��혲s composite materials, used now in products ranging from golf clubs and tennis rackets to the components of Boeing창��혲s new 787 commercial jet, each piece is manufactured as a integrated unit. Fabrication of large structures, such as an airplane fuselage, requires large factories where fibers and resins can be wound and parts heat-cured as a whole, minimizing the number of separate pieces that must be joined in final assembly. That requirement meant, for example, Boeing창��혲s suppliers have had to build massive facilities to build major parts for the 787. |
|
 |
Megan |
 |
2019-05-31 22:17:18 |
|
|
|
|
|
|
|
|
|
