Ngwá ọrụ ikuku nke ODM dị elu lubrication: Mee akwụkwọ ntuziaka mmanụ lubrication - Jianhe
Ngwá ọrụ ikuku ikuku na-ekwu okwu - a na - emepụta mmanụ ọkụ mmanụ - Jianianhedetail:
Ihe onyonyo zuru ezu:
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Ntuziaka Ngwaahịa metụtara:
Na-arapara n'ahụ nke "na-emepụta ngwaahịa nke oke ma nweta ihe niile dị iche iche: free ịkpọtụrụ anyị. Anyị na-atụ anya ịme mmekọrịta azụmahịa na-aga n'ihu na ndị ahịa ọhụrụ gburugburu ụwa n'ọdịnihu dị nso.