齿数number of teeth
齿高tooth height
齿顶高height of addendum
齿根高height of addendum
齿厚circular thickness
齿间tooth space
齿宽tooth width
压力角angle of pressure
弹簧spring
销pin
圆柱销round pin
圆锥销taper pin
开口销cotter pin, split
键key
平键flat key
半圆键half round key, woodruff key 轴承bearing
滚动轴承rolling bearing
向心铀承radial bearing
密封装置sealing equipment
锁紧装置locking equipment
粗糙度roughness