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                1. 扭(niu)矩(ju)電(dian)動(dong)扳手(shou)


                  扭矩(ju)電(dian)動扳(ban)手

                  上(shang)一(yi)篇(pian):螺(luo)紋塞(sai)槼(gui)試驗(yan)件(jian)

                  下(xia)一(yi)篇(pian):扭矩(ju)係數試驗機(ji)

                  bNHHE
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