<span id="btfxz"></span>
<strike id="btfxz"><dl id="btfxz"></dl></strike><ruby id="btfxz"><video id="btfxz"><del id="btfxz"></del></video></ruby>
<strike id="btfxz"><dl id="btfxz"><ruby id="btfxz"></ruby></dl></strike>
<span id="btfxz"><i id="btfxz"></i></span>
<span id="btfxz"></span><strike id="btfxz"></strike>
<span id="btfxz"><dl id="btfxz"><ruby id="btfxz"></ruby></dl></span>
<strike id="btfxz"><i id="btfxz"><del id="btfxz"></del></i></strike>
<span id="btfxz"><i id="btfxz"><del id="btfxz"></del></i></span><strike id="btfxz"></strike>
<strike id="btfxz"></strike>
<span id="btfxz"><i id="btfxz"><del id="btfxz"></del></i></span>
<strike id="btfxz"><i id="btfxz"></i></strike>
<strike id="btfxz"><i id="btfxz"></i></strike>
<strike id="btfxz"></strike>
<strike id="btfxz"></strike>
<del id="btfxz"></del>
<span id="btfxz"></span>
精密齒輪:生產制造M0.3-M20的各種精密齒輪,磨齒精度能達到國標5級     
同步帶輪:同心度0.05-0.02mm      
蝸輪蝸桿、齒條、錐齒輪等

齒輪加工流程

研磨齒輪加工流程:

材料→車床→滾齒→銑床→熱處理→內圓磨→平面磨→磨齒→成品檢測


免费色电影_安娜情史百度影音_希腊战神_色综合久久本道鬼色