齿

rack wheel

齿条齿轮

齿条式老虎钳 rack vice | 齿条齿轮 rack wheel | 渐开线齿条 rack, involute

tooth of wheel

轮齿

tooth number 齿数 | tooth of wheel 轮齿 | tooth pitch 齿节

Tooth profile at tangential plane of base cylinder J

基圆柱切平面齿廓

Tooth profile and trace C齿槽 | Tooth profile at tangential plane of base cylinder J基圆柱切平面齿廓 | Tooth profile of worm W蜗杆齿轴

gear tooth gauge

齿距规

gear tooth callipers 齿轮齿规 | gear tooth gauge 齿距规 | gear tooth vernier callipers 齿轮齿游标卡尺

gear tooth vernier caliper

轮齿游摽卡规

轮齿分厘卡 gear tooth micrometer | 轮齿游摽卡规 gear tooth vernier caliper | 游摽齿形规 gear tooth vernier gauge

Tip circle of worm W

蜗杆齿顶圆

Tip circle C齿顶圆(顶圆) | Tip circle of worm W蜗杆齿顶圆 | Tip circle of wormwheel W蜗杆齿圆

straight-side profile

直线齿廓

渐开线齿廓 involute profile | 直线齿廓 straight-side profile | 摆线齿廓 cycloidal profile

step joint

齿式接合,台阶状接合,槽齿联结

step jaw ==> 阶梯形卡爪 | step joint ==> 齿式接合,台阶状接合,槽齿联结 | step junction ==> 突变结,阶跃结=>階段接合

spur pinion

直齿小齿轮

spur gear直齿圆柱齿轮 | spur pinion直齿小齿轮 | spur rack齿条

spike-tooth cylinder

钉齿式脱粒滚筒

spike-tooth concave ==> 钉齿式凹板 | spike-tooth cylinder ==> 钉齿式脱粒滚筒 | spike-tooth flexible harrow ==> 钉齿活动耙

colonial rule：殖民统治

colonial protectorate;殖民保护地;殖民被保护国;; | colonial rule;殖民统治;; | Colonial Secretary;辅政司;;

matrimonial agency：婚姻介绍所

21 deep love 深沉的爱情 | 22 matrimonial agency 婚姻介绍所 | 23 lover,sweetheart 情人