a branch of electronics that deals with the design and manufacture of extremely small electronic components and circuits, typically using semiconductor materials such as silicon

微电子学

an electronic device that uses a small electrical current to control a larger current, acting like an automatic switch

继电器

a type of rolling-element bearing that uses balls to maintain the separation between the bearing races, reducing friction and enabling smooth rotation

球轴承, 滚珠轴承

a mechanical transmission system using a flexible belt to transfer power between rotating shafts

皮带传动, 传动带系统

an environment that can be used to verify the correctness of a model or design

测试台, 测试平台

a wheel with a set of square or triangular teeth sticking out around the edge that fits into the edge of a similar wheel, causing both wheels to turn

齿轮, 轮齿

a device that allows movement between mechanical parts of a machine or converts backward and forward motion into circular movement

曲柄, 摇柄

a mechanical component that transmits rotational power from the engine to the wheels or other driven components of a vehicle or machine

驱动轴, 传动轴

gears, toothed wheels, or mechanical components designed to transmit and control power between rotating shafts in a machine, vehicle, or system

齿轮, 传动系统

a thorough inspection and repair of a machine or system to improve its performance or extend its lifespan

检修, 翻新

a permanent fastener with a head on one end and a deformable shaft that forms a second head when joining materials together

铆钉

a toothed wheel with projections that mesh with a chain, track, or other perforated or indented material, typically used to transmit motion or power in machinery, vehicles, or bicycles

链轮, 齿轮

a machine tool that rotates a workpiece so one can shape it by cutting, sanding, or drilling

车床, 旋转工具

the branch of technology and industry concerned with both aviation and space flight

航空航天, 航空宇宙

a professional who uses specialized software to create detailed drawings and plans for buildings, machines, or products

计算机辅助设计技术员, CAD技术员

