tbi滚珠丝杆型号大全：
sfe1616 sfe1632 sfe2020 sfe2040 sfe2525 sfe2550 sfe3232 sfe3264 sfe4040 sfe5050
sfu1605 sfu1610 sfu2005 sfu2505 sfu2510 sfu3205 sfu3210 sfu4005 sfu4010 sfu5010
sfu6310 sfu8010
sfi1605 sfi2005 sfi2505sfi2510 sfi3205 sfi3210 sfi4005 sfi4010 sfi5010 sfi6310
sfs1205 sfs1605 sfs1610 sfs1616 sfs1620 sfs2005 sfs2010 sfs2020 sfs2505 sfs2525
sfs3205 sfs3210 sfs3220 sfs3232 sfs4005 sfs4010 sfs4020 sfs4040 sfs5005 sfs5010
sfs5020 sfs5050 sfs6310 sfs6320
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