Ukuhlaziywa Kwezimo Zokusebenza zeI-Chinese Flange Ixhumeke I-Middle Line Butterfly Valveskwezinye Izimboni
Lesi sihloko sihlaziya amacala okusetshenziswa kwama-valve ovemvane axhumene ne-flange ezimbonini ezahlukene e-China, abonisa ukusebenza kwawo okuhle kakhulu ngaphansi kwezimo ezihlukahlukene zokusebenza, okuhloswe ngawo ukunikeza abafundi izinkomba ezengeziwe mayelana nezicelo ze-butterfly valve.