基本解釋凸頭螺絲；扁圓頂螺釘詞組短語(yǔ)短語(yǔ)raised countersunk head screw 半沉頭螺釘slotted raised countersunk head screw 開(kāi)槽半沉頭螺釘raised head machine screw 突頭機(jī)器螺釘westbank raised head screw 凸頭螺絲recessed raised countersunk -head self-cutting screw 十字槽凸頭埋頭自攻螺釘raised head screw更多詞組