Ukusetshenziswa kwe-Chinese flange exhunywe i-valve butterfly ephakathi nendawo ekuhlanzeni indle
Ukusetshenziswa kwe-Chinese flange exhunywe i-midline butterfly valve ekuhlanzeni indle Enkambisweni yokuhlanza indle, ama-valve ayimishini ebalulekile futhi ebalulekile, adlala indima ebalulekile ekulawuleni ukugeleza koketshezi, ukulawula ingcindezi nokugeleza, njalonjalo. A...
buka imininingwane