阿基米德蝸桿Archimedes worm

　　安全系數safety factor; factor of safety

　　安全載荷safe load

　　凹面、凹度concavity

　　扳手wrench

　　板簧flat leaf spring

　　半圓鍵woodruff key

　　變形deformation

　　擺桿oscillating bar

　　擺動從動件oscillating follower

　　擺動從動件凸輪機構cam with oscillating follower

　　擺動導桿機構oscillating guide-bar mechanism

　　擺線齒輪cycloidal gear

　　擺線齒形cycloidal tooth profile

　　擺線運動規律cycloidal motion

　　擺線針輪cycloidal-pin wheel

　　包角angle of contact

　　保持架cage

　　背對背安裝back-to-back arrangement

　　背錐back cone；normal cone

　　背錐角back angle

　　背錐距back cone distance

　　比例尺scale

　　比熱容specific heat capacity

　　閉式鏈closed kinematic chain

　　閉鏈機構closed chain mechanism

　　臂部arm

　　變頻器frequency converters

　　變頻調速frequency control of motor speed

　　變速speed change

　　變速齒輪change gear change wheel

　　變位齒輪modified gear

　　變位系數modification coefficient