- retraction jack
- retractionjack
- 机构: mechanism
- 减摇收放机构: anti-rolling fin housing and extending gear
- 拦阻钩收放机构: arrester hook deck-folding mechanism; arrester-hook actuation gear
- 起落架收放机构: landing gear operating mechanism; landing-gear operating mechanism; wheel retracting gear; wheel-retracting gear; wheel-retractinggear
- 伸缩套管收放机构: boom-retraction mechanism
下载手机词典可随时随地查词查翻译