头

hex head wrench

六角头扳手

hex head screw;六角头螺钉 | hex head wrench;六角头扳手 | hex key wrench assembly;六角键扳手总成

hollow head wrench

空心头扳手

hollow head screw wrench;空心头螺钉扳手 | hollow head wrench;空心头扳手 | hollow pin;空心销

single thread worm

单头螺纹蜗杆

single tariff 单一费率 | single thread worm 单头螺纹蜗杆 | single thread 单头螺纹

double-head wire stitching machine

双头铁丝订书机

double-head tyre 双缘轮胎 | double-head wire stitching machine 双头铁丝订书机 | double-head wrench 双头扳手

velocity head tachometer

液压转速计, 速度头临计

velocity head 速度头, 临水头 | velocity head tachometer 液压转速计, 速度头临计 | velocity in free space 自由空间速度

velocity head coefficient

速头系数

velocity-focussing mass-spectrograph ==> 速度聚焦质谱仪 | velocity-head coefficient ==> 速头系数 | velocity-head correction factor ==> 速头改正因数

triceps surae m

小腿三头肌

triceps brachii m. 肱三头肌 | triceps surae m. 小腿三头肌 | tricuspid valve 三尖瓣

tapping chuck

攻丝夹头

tapping branch terminal 分路线头 | tapping chuck 攻丝夹头 | tapping clamp 抽头线夹

reversible tapping chuck

可逆式攻丝夹头

reversible tap holder 可逆转丝锥夹头 | reversible tapping chuck 可逆式攻丝夹头 | reversible tractor 双向拖拉机

Cross recess pan head tap screw

十字槽盘头自攻螺钉

Flat counter sunk nib bolt 沉头带榫螺栓 | Cross recess pan head tap screw 十字槽盘头自攻螺钉 | 机械性能: mechan and physic properties

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