1.Idler tube, idler shaft (coold drawn round bar), stamping bearing seat and supporting seals should be tested, the pipe diameter oval tolerance ≤ 0.6mm, cold bar diameter tolerance + 0.002- +0.012mm.Bearing seat and supporting the seal ដើម្បីជាការផ្គុំសាកល្បងដំបូង ឧបករណ៍រក្សារាងត្រូវតែជាដែក ...
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