Special engineering mapurasitiki anoreva mapurasitiki einjiniya ane yakakwirira yakazara zvivakwa uye tembiricha yenguva refu yebasa iri pamusoro pe150 ℃. Kazhinji zvese zvakakwirira tembiricha kuramba, nemwaranzi kuramba, hydrolysis kuramba, mamiriro ekunze, corrosion kuramba, zvakasikwa murazvo retardant, l ...
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