無(wú)頭方把螺釘 headless screw: 無(wú)頭螺釘; 無(wú)頭螺桿headless set screw: 無(wú)頭定位螺釘; 無(wú)頭止動(dòng)螺絲headless shoulder screw: 無(wú)頭軸肩螺釘slotted headless set screw: 帶槽無(wú)頭止動(dòng)螺釘square screw: 方紋螺旋下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
