Labaran Masana'antu
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Siffofin Kit ɗin Hatimin Hatimin Excavator O-RING
O-ring (O-rings) zoben hatimin roba ne tare da sashin giciye madauwari.Saboda sashin giciye mai siffar O, ana kiransa O-ring, kuma ana kiransa O-ring.Ya fara bayyana a tsakiyar karni na 19, lokacin da aka yi amfani da shi azaman abin rufewa don injin tururi ...Kara karantawa