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Materials in the Aircraft Industry, Just 30 years later, the Douglas Company introduced the 12-passenger twin-engine DC-1 and Boeing introduced the 247, a 10-passenger, all-metal twin-engine aircraft with a retractable landing gear; soon thereafter, the era of jet engines was ushered in. About 60 years later, in the 1990s, Boeing int比赛用背带 发表于 2025-3-22 14:24:25
The Development of Clean Steels for Steam Turbine Applications: Their Demand and Use,hese fractures were intergranular and often appeared to initiate in the keyway of the disc as a result of steam condensation and subsequent corrosion. The steels that were used to make these discs were usually of the Cr-Mo type and had the required room temperature and elevated temperature strength.边缘带来墨水 发表于 2025-3-22 18:40:54
lung.Includes supplementary material: .Das Buch liefert eine lückenlose, anschauliche und theoretisch fundierte Darstellung der Wirkungsweise von Radaufhängungen. Konstrukteure, Versuchsingenieure und Berechnungsingenieure finden darin das notwendige Rüstzeug zur kinematisch und elasto-kinematisch eMets552 发表于 2025-3-22 23:29:57
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Stephen M. Walleylung.Includes supplementary material: .Das Buch liefert eine lückenlose, anschauliche und theoretisch fundierte Darstellung der Wirkungsweise von Radaufhängungen. Konstrukteure, Versuchsingenieure und Berechnungsingenieure finden darin das notwendige Rüstzeug zur kinematisch und elasto-kinematisch eright-atrium 发表于 2025-3-23 07:50:13
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