齿杆

half-round bar

半圆杆,半圆钢,半圆形钢条

half-round 半圆材的,半圆形 | half-round bar 半圆杆,半圆钢,半圆形钢条 | half-round bastard file 粗齿半圆锯

hourglass worm

滴漏形蜗杆

滴漏形蜗杆 hourglass worm | 轮毂 hub | 追逐齿 hunting tooth

involute worm

渐开线涡杆

"渐开线齿制","involute tooth system" | "渐开线涡杆","involute worm" | "包含,对合(数学)","involution"

square jackscrew

方形起重螺杆

square indexable carbide milling cutter insert 方形可转位铣刀片 | square jackscrew 方形起重螺杆 | square jaw clutch 方齿牙嵌式离合器

Normal plane of worm W

蜗杆法平面

Normal plane F法向齿廓 | Normal plane of worm W蜗杆法平面 | Normal pressure angle F法向压力角

intermediate wheel lock

中间轮锁杆

intermediate wheel and pinion 中心齿轴 | intermediate wheel lock 中间轮锁杆 | intermediate wheel reverser bridge 中间轮换向夹板

Fragilaria oceanica

大洋脆杆藻

塞米拟细齿藻 Denticullopsis seminae | 大洋脆杆藻 Fragilaria oceanica | 菱形藻科 Nitzschiaceae

Spiroid Z

锥蜗杆

Spiral bevel gear Q曲线齿锥齿轮 | Spiroid Z锥蜗杆 | Spiroid gear Z锥蜗轮

back lease rod

后分经杆;后绞棒

轮齿隙 back lash | 后分经杆,后绞棒 back lease rod | 背长 back length

segment rack lever

扇形齿棒

"扇形杆","segment lever" | "扇形齿棒","segment rack lever" | "扇形撑边器,斜针环伸子,刺环伸幅器","segment temple"

Supposed to Be：应该吧

我想我该睡了 i think i should slp | 应该吧 supposed to be | 希望 hope so

Plain Weave：平布

509 hopsack 方平织物 | 510 plain weave 平布 | 511 panama 巴拿马薄呢