Irabha yemvelo i-NR (Irabha yemvelo) yenziwe ngeqoqo lesihlahla se-188金宝慱亚洲体育官网首页20橡胶胶乳,i-聚合物ye-异戊二烯。Inokumelana okuhle kokugqoka, ukunwebeka okuphezulu, amandla okuphuka kanye nobude。Kulula ukuguga emoyeni futhi kuyanamathela uma kushisa。Kulula ukunwetshwa nokuncibilika kuwoyela wamaminerali o…
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