您要查找的是不是：
- 收起放下起落架.raise/lower the undercarriage
- 放下起落架Gears Down (GR/DW)
- 摆动放下起落架To crank the gear down
- 无液压,按手放起落架程序紧急放下起落架。No hydraulic pressure, emergency lowering of landing gear by manual gear extension procedure.
- 右主轮舱失火,我们放下起落架避免烧坏,返回基地进行彻底检查。Right main well on fire, we extended landing gear to avoid damage, returning to base for a thorough check.
- 所有的应急程序已做过了，但仍不能放下起落架，我们仅剩30分钟的油量，所以我们决定在你们的机场做机腹着陆。We had done all the emergency procedure but still can not put down (extend) the gear, we got only 30 minutes fuel, so we decide to make a belly landing in your field.
- 最低襟翼收起速度minimum flap retraction speed
- 最低缝翼收起速度minimum slat retraction speed
- 她无精打采地收起书本去睡觉了。In low sprits, she laid aside her books and went to bed.
- 要说服他们放下武器是很难的。It is difficult to persuade them to disarm.
- "放下武器，举起手来。""Drop your weapons and put your hands up."
- 放下电话put down the telephone
- 因为共产党的最低纲领和三民主义的政治原则基本上相同，就狂叫“收起”共产主义，岂非荒谬绝伦之至?Is it not,therefore,in the highest degree absurd to clamour for communism to be "folded up" on the ground that the Communist Party's minimum programme is in basic agreement with the political tenets of the Three People's Principles?
- 放下拉起吊桥.lower/raise the drawbridge
- 木头上的人这时放下双手静静站了一会儿,然后又腾空跃起。The man on the log then dropped his arms and stood still for a moment. And he jumped into the air again.
- 重重地放下行李plank down one's luggage
- 拿起、 放下...听筒.lift, replace, etc the receiver
- ＂他噗地一声放下购物袋，赶来帮助我们。＂He flopped down the shopping bag and ran to help us.
- 于是，他放下笔记本，拿起了电话。so he put down his notebook and picked up the telephone.
- 那人斟了满满的一杯威士忌,轻轻地放下瓶子。The man poured a full glass of whisky, and set down the bottle noiselessly.
