送進(jìn)連桿軸止動(dòng)螺釘 needle bar connecting link hinge screw: 麥果螺絲crank connecting rod hinge screw: 曲柄連桿鉸接螺絲feed forked connection hinge screw: 三節(jié)螺絲needle bar co ecting link hinge screw: 麥果螺絲feed forked connection hinge screw nut: 三節(jié)螺絲帽下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
