This landing was less dire: the nose wheel gear collapsed after the first glide flight for the X-2 in 1952.

这是不可怕的登陆：鼻子齿轮后，1952年第一次滑行中的X - 2飞行倒塌。

youdao

This subject is about thermal deformation error detection and compensation of an YKX3132G six axes CNC gear-hobber machine's worktable in X axis direction.

本课题针对在KX3132G型六轴数控滚齿机床加工过程中，工作台热致变形产生的X轴方向上的误差进行测量与补偿。

youdao

Microstructure and stress of broad-beam laser hardened gear was studied with SEM, tem and X-ray stress analysis system.

利用扫描电镜、透射电镜和X射线应力分析系统，对齿轮宽带激光淬火后淬硬层显微组织和应力特性进行了细致分析。

youdao

His first rocket plane flight in the Bell X-1B experienced a nose gear failure on landing.

FORBES: Neil Armstrong's Immortal Footprint

But OS X 10.8 makes it feel like a fresh idea all over again -- and the more Apple gear you own, the more you'll get out of it.

CNN: Review: Mac's Lion adventure continues