The design issue of the special gear shaper cutter for lock gears is researched. The basic method, calculating formulas and procedure of designing the gear shaper cutter are discussed.
对锁闭齿轮专用插齿刀的设计进行了研究，并讨论了这种刀具设计的基本方法、计算公式以及设计步骤。
2
Because of the lack of hydraulics, we are not sure our landing gear will lock, so the flight attendants will prepare you for a bumpy landing.
因为没有液压装置，所以不能肯定起落架能不能固定得住。乘务人员将帮助你们作好着陆时防冲击的准备。
3
The people who make electronics gear fret that if they don't lock up agreements for exclusive music or videos, consumers won't pay top price.