头

derrick head span block

吊杆头跨绳滑车

derrick head fitting 吊杆头装置 | derrick head span block 吊杆头跨绳滑车 | derrick head 吊杆端

die head chaser

螺模头螺纹钣刀

螺模头 die head | 螺模头螺纹钣刀 die head chaser | 螺纹模夹把,模座 die holder

die chuck

螺丝钢板夹头

die casting 压力铸造模铸件 | die chuck 螺丝钢板夹头 | die chuck 螺丝铰板夹头

die chuck

螺丝铰板夹头

die chuck 螺丝钢板夹头 | die chuck 螺丝铰板夹头 | die for English standard thread 英制标准螺纹板牙

bent tail dog

曲尾轧头

bent strip || 镰刀形带材(缺陷), 弯头长条片材 | bent tail dog || 曲尾轧头 | bent tail lathe dog || 曲尾车床鸡心夹头

bent tail lathe dog

曲尾车床鸡心夹头

bent tail dog || 曲尾轧头 | bent tail lathe dog || 曲尾车床鸡心夹头 | bent tap || 弯柄螺母丝锥

dog nail

钩头钉

曲柄凿 dog legged chisel | 钩头钉 dog nail | 钩头道钉 dog spike

double end wrench

双头扳手

double end spanner || 双头扳手 | double end wrench || 双头扳手 | double equilibrium diagram || 二相平衡图,二元状态图

double-head milling machine

双头铣床

双吊架构架 double hanging truss | 双头铣床 double head milling machine | 双头轨条 double head rail

double-head flat scraper

双头平刮刀

double-head endmill 双头立铣刀 | double-head flat scraper 双头平刮刀 | double-head milling machine 双轴铣床

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