Pneumatic wafer soft seal butterfly valve compact structure, 90 ° rotary switch e bonolo, tiiso e ka tšeptjoang, bophelo bo bolelele ba ts'ebeletso, e sebelisoa haholo limela tsa metsi, lifeme tsa motlakase, lifela tsa tšepe, ho etsa pampiri, lik'hemik'hale, lijo le lits'ebetso tse ling phepelong ea metsi le drainage, joalo ka taolo le ts'ebeliso e khaotsoeng. The p...
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