Biirka Rullaluistemka ee Silindrical

Noocan ah biinanka waa la kala saari karaa. Maadaama duubabkoodu si toosan ula xiriiraan giraanta gudaha iyo giraanta dibadda oo aan lahayn isku-dhafka isku-dhafka, biinankani waxay leeyihiin awood aad u wanaagsan oo culays radial ah, oo ku habboon matoorada korontada, baabuurta, biinanka gudbinta, biinanka geerka iyo wixii la mid ah. Biinanka laba-saf leh ee silikooniga ah ayaa ku fiican biinanka qalabka mashiinka.

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