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