半: half沉: sink头: 5点就得动身 have to start before ...不: a block of wood脱出: abjection; prolapse; take of ...螺钉: nut bolt; screw; screw faste ...开槽半沉头不脱出螺钉: slotted raised countersunk head screws with waisted shank开槽沉头不脱出螺钉: slotted countersunk head screws with waisted shank滚花头不脱出螺钉: knurled thumb screws with waisted shank六角头不脱出螺钉: hexagon head unloosening screw开槽盘头不脱出螺钉: slotted pan head screws with waisted shank半沉头螺钉: machine screw with oval countersunk fillister head; oval head screw; raised countersunk head screw不脱出螺栓,防落螺栓: captive blot半沉头骨螺钉: half counter sunk bone screw半沉头木螺钉: oval countersunk fillister head wood screw半沉头机器螺钉: oval countersunk fillister head machine screw带槽半沉头螺钉: slotted oval countersunk head screw开槽半沉头螺钉: slotted raised countersunk (oval) head screw; slotted raised countersunk head screws开槽半沉头木螺钉: slotted raised countersunk head wood screws十字槽半沉头螺钉: cross recessed raised countersunk head screws开槽半沉头自攻螺钉: slotted raised countersunk head tapping screws内六角花形半沉头螺钉: hexagon lobular socket raised countersunk head screws十字槽半沉头木螺钉: cross recessed raised countersunk head wood screws十字槽半沉头自攻螺钉: cross recessed raised countersunk head tapping screws半沉头铆钉: countersunk not chipped rivet; oval countersunk head rivet