<var id="b1dhf"></var>
<var id="b1dhf"><strike id="b1dhf"></strike></var>
<var id="b1dhf"><strike id="b1dhf"><listing id="b1dhf"></listing></strike></var>
<menuitem id="b1dhf"><dl id="b1dhf"><progress id="b1dhf"></progress></dl></menuitem>
<menuitem id="b1dhf"><strike id="b1dhf"><listing id="b1dhf"></listing></strike></menuitem><cite id="b1dhf"><video id="b1dhf"><thead id="b1dhf"></thead></video></cite>
<var id="b1dhf"><strike id="b1dhf"></strike></var>
<menuitem id="b1dhf"><dl id="b1dhf"></dl></menuitem>
<var id="b1dhf"><strike id="b1dhf"></strike></var>
<cite id="b1dhf"><video id="b1dhf"></video></cite>
<var id="b1dhf"><strike id="b1dhf"></strike></var><var id="b1dhf"><strike id="b1dhf"></strike></var>
<var id="b1dhf"><strike id="b1dhf"><listing id="b1dhf"></listing></strike></var>
<var id="b1dhf"><video id="b1dhf"></video></var>
99久久无码热高清精品_好看的无码av经典av_亚洲欧美18岁网站_国产肥熟老胖女

集生產與銷售于一體的專業型企業

精密車削加工件 | 螺紋緊固件 | 壓鉚件的專業化制造商

全國供應服務熱線

025-84950906

GB839滾花頭不脫出螺釘M2-M8

發布日期:2018-03-05 瀏覽次數:2138


GB839滾花頭不脫出螺釘

不脫出螺釘加工材質有:304不銹鋼、碳鋼鍍鋅、黃銅鍍鎳

滾花頭不脫出螺釘執行標準:

不脫出螺釘執行標準是:GB839-88,分A型(一字槽)和B型(不開槽)以下是詳細規格表



99久久无码热高清精品_好看的无码av经典av_亚洲欧美18岁网站_国产肥熟老胖女
<var id="b1dhf"></var>
<var id="b1dhf"><strike id="b1dhf"></strike></var>
<var id="b1dhf"><strike id="b1dhf"><listing id="b1dhf"></listing></strike></var>
<menuitem id="b1dhf"><dl id="b1dhf"><progress id="b1dhf"></progress></dl></menuitem>
<menuitem id="b1dhf"><strike id="b1dhf"><listing id="b1dhf"></listing></strike></menuitem><cite id="b1dhf"><video id="b1dhf"><thead id="b1dhf"></thead></video></cite>
<var id="b1dhf"><strike id="b1dhf"></strike></var>
<menuitem id="b1dhf"><dl id="b1dhf"></dl></menuitem>
<var id="b1dhf"><strike id="b1dhf"></strike></var>
<cite id="b1dhf"><video id="b1dhf"></video></cite>
<var id="b1dhf"><strike id="b1dhf"></strike></var><var id="b1dhf"><strike id="b1dhf"></strike></var>
<var id="b1dhf"><strike id="b1dhf"><listing id="b1dhf"></listing></strike></var>
<var id="b1dhf"><video id="b1dhf"></video></var>