WLS shaftless skru ebu bụ mmepe teknụzụ, ngwaahịa.Ọ dabara adaba maka ibufe ntụ ntụ, granular, na ihe akpụ akpụ, yana nwekwara ike ibuli ihe ahụ nwere nnukwu ike egweri, dị ka uyi ofufe, slag, limestone, cement raw material, ciment clinker, ciment, coal, dry ụrọ ...
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