retractable undercarriage是什么意思 retractable undercarriage在线中文翻译

retractable undercarriage

retractable undercarriage 双语例句

1. MonoTracer has an undercarriage and retractable wheels which allow it to lean with ease to 52 degrees.
   MonoTracer带有起落架和可伸缩的轮胎，转弯时能向内侧倾斜52度。
2. The design showed deficiencies for jet pilot training which led the Chinese to independently revise the basic Yak-18 design to feature a retractable undercarriage, with the main gear folding inward toward the fuselage, and the nose wheel retracting backward into the fuselage.
   设计显示出用于喷气驾驶员训练的不足，导致中国独立地修改初级Yak-18设计，以一个可收放起落架为特点，采用主起落架向前折叠进机身内和前轮向后缩回进入机身之内。

retractable undercarriage