螺钉

cancellous screws

骨松质螺钉

骨皮质螺钉 cortical screws | 骨松质螺钉 cancellous screws | (骨)密质骨compact bone

Screw driver

螺钉起子(螺丝批)

screw 螺旋;螺钉 | screw driver 螺钉起子(螺丝批) | screw joint 螺纹套管接头;螺旋接合

slotted sit screws with flat point

开槽平端紧定螺钉

58 DIN547 端面带孔圆螺母 round nuts with drilled holes in one face | 59 DIN551 开槽平端紧定螺钉 slotted sit screws with flat point | 60 DIN553 开槽锥端紧定螺钉 slotted set screws with cone point

lag screw

板头尖端木螺钉,方头螺钉

lag regression ==> 落后回归 | lag screw ==> 板头尖端木螺钉,方头螺钉 | lag spike ==> 螺丝钉

T HEAD BOLTS

头螺钉

四角螺钉 SQUARE HEAD BOLTS | T头螺钉 T HEAD BOLTS | 马车螺钉 CARRIAGE BOLTS

wing screw

元宝螺钉,蝶形螺钉

wing stay 翼子板托架 | wing screw 元宝螺钉,蝶形螺钉 | wing pump 叶轮泵

hexagon socket screw

六角承窝螺钉,内六角螺钉

"六角形;六边形","hexagon" | "六角承窝螺钉;内六角螺钉","hexagon socket screw" | "六角头","hexagonal head"

wheel screw

车轮螺钉,手轮锁紧螺钉

wheel rotor ==> 轮盘式转子 | wheel screw ==> 车轮螺钉,手轮锁紧螺钉 | wheel search unit ==> 轮式探头

set screw spanner

止动螺钉扳手

set screw piston pin ==> 固定螺钉式活塞销 | set screw spanner ==> 止动螺钉扳手 | set screw wrench ==> 止动螺钉扳手

hexagon socket screw plugs,cyl. thread

内六角直型闭锁螺钉

87 DIN906 内六角锥型闭锁螺钉 hexagon socket pipe plugs,conical t... | 88 DIN908 内六角直型闭锁螺钉 hexagon socket screw plugs,cyl. thread | 89 DIN909 外六角锥型闭锁螺钉 hexagon head pipe plugs,conical ...

haulage device：拖曳设备;运输设备

haul road 运料路;拖运材料的道路 | haulage device 拖曳设备;运输设备 | hazardous slope 危险斜坡

Let sb. in：让某人进

8.be late for school上学迟到 | 9.let sb in让某人进 | 11.travel around the world环游世界