沉頭帶榫螺栓 screw flat countersunk nib bolt: 螺旋平頭墊頭螺栓flat countersunk nib bolts: 沉頭帶插銷馬車螺栓; 沉頭帶榫螺栓flat countersunk double nib bolts: 沉頭雙榫螺栓countersunk bolt: 沉頭螺栓; 埋頭螺栓; 埋頭螺絲mushroom-head nib bolt: 扁圓頭帶棒螺栓下載手機詞典可隨時隨地查詞查翻譯