I Gabatarwa Ƙwaƙwalwar gwiwar gwiwa ta ƙunshi ƙwanƙolin mata, allurar bargo na tibial, allurar bargo na mace, yanki da aka sassaka da ƙuƙumman daidaitawa, ramin tsaka-tsaki, tef, tray ɗin farantin tibial, mai karewa mai karewa, abin saka tibial plateau, liner, da kuma hana ...
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