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PVC hose ntau lawm txheej txheem
PVC hose ntau lawm txheej txheem: Sib tov → kneading → extrusion granulation → extrusion forming → traction → coiling → ntim → zoo soj ntsuam → tiav cov khoom 1. Kneading ntawm cov khoom xyaw Txhua yam raw khoom yog hnyav thiab muab tso rau hauv kneader nyob rau hauv ib tug tej yam kev txiav txim.Feedi...Nyeem ntxiv
