hat
9. pétrochimique travay pwodiksyon de catalyseur ejenerasyon nan aplikasyon plis ke 700℃rekòmande itilize 600, pou kapab jwenn yon sèvis lavi ankò
eng
9. Petrochemical works production of catalytic regeneration in the application of more than 700℃ recommended the use of 600, in order to obtain a longer service life