Zambiri zaife Lumikizanani nafe |

Wogulitsa kunja Kwambiri wa Thread amaika China Manufacturer Kuyambira 2004

Tensilestrengthanalysisofkeylockinginsert-ThreadInsertsChinaManufacturer

Kusanthula kwamphamvu kwa makiyi otsekera

Siyani uthenga

    26 − = 17