gear pump[机] 齿轮泵;后油泵;齿轮油泵
spur gear[机] 正齿轮;直齿圆柱齿轮;直齿轮;正齿齿轮
worm gear蜗轮;蜗轮传动;蜗轮传动装置;蜗杆
Crankshaft Gear曲轴齿轮;曲轴传动装置;直轴齿轮
gear mechining齿轮加工;齿加工;齿
landing gear[航] 起落架;起落装置;撑地装置;起落架舱
gear drive[机] 齿轮传动;[机] 齿轮传动机构;齿轮转动;正时齿轮
gear lever[机] 变速杆;齿轮变速手柄;升降档拉杆;换档杆
lifting gear起重装置;升降起重联动装置;提升机构;升降装置
Pump gears are the key part of gear pump.
泵齿轮是齿轮泵中的核心零件，泵齿轮参数选取的合理与否对齿轮泵性能的高低影响极大。
参考来源 - 齿轮—五杆组合机构连杆曲线特性的研究The forming technology of spline and gear of pinion,which both had gear and spline was analyzed.
针对小齿轮件(既有齿轮又有花键的小齿轮件)的花键和齿轮成形问题进行工艺分析。
参考来源 - 小齿轮件的成形工艺及模具设计N-COUNT（可数名词） The gears on a machine or vehicle are a device for changing the rate at which energy is changed into motion. 排挡
On hills, he must use low gears.
在山上，他必须用低速挡。
N-UNCOUNT（不可数名词） The gear involved in a particular activity is the equipment or special clothing that you use. (用于特定活动的) 设备、服装
About 100 officers in riot gear were needed to break up the fight.
大约需要100名配备防暴装备的警官来结束那场斗殴。
N-UNCOUNT（不可数名词） Gear means clothing. 衣服 [非正式]
I used to wear trendy gear but it just looked ridiculous.
我过去常穿时髦服装，但那看起来简直滑稽。
V-T PASSIVE（被动及物动词） If someone or something is geared to or toward a particular purpose, they are organized or designed in order to achieve that purpose. 使适合
Colleges are not always geared to the needs of mature students.
大学并不总是去适应成年学生的需要。