belt shifter screw

brass-plated mild steel round head machine scre

镀黄铜圆头软钢机器螺丝

nickel-plated mild steel round head machine screw

镀镍低碳钢圆头机器螺丝

brass-plated mild steel countersunk head machine screw

镀黄铜平头软钢机器螺丝

nickel-plated mild steel countersunk head machine scre

镀镍低碳钢平头机器螺丝

a threaded screw for machine parts; screws into a tapped hole.

一种适用于机器部件的螺纹螺丝；可以放进塞孔的螺丝。

screw-melter-fed spinning machine

螺杆式熔化器喂料纺丝机

The machine is not working well as a screw has come loose

一颗螺丝钉松了，因而机器工作不正常。

The screw on the machine seems loose; you need to tighten it up.

（这机器的螺丝钉松了，你要上紧。

fasteners inspection and measurement instruments

螺丝、螺帽品检量测仪器

sunk screw

【机】埋[沉]头螺丝

hex machine screw nut

机械螺丝用六角螺帽

Remove screws to access the dust filter

卸螺丝以便取出滤尘器

feed regulator thumb screw

进料调节器指拧螺丝

blue printing machine

晒图机bolt-screwingmachine 螺栓车丝机

screw for motorcycle or bicycle heading machine

机(踏)车用螺丝成型机

screws and shafts for motorcycle or bicycle

机(踏)车用螺丝、轴心

engine idling speed adjusting screw

发动机怠速调整螺丝

tighten the screw on a fruit press

旋紧水果榨汁机的螺丝