Imininingwane enzuzo
Indlela yokuthumela:ukulethwa kwe-express
Ukubonisa umlingani
Ngokusho kwe-JB/T7977-99 ekhiqiziwe, i-Material HT250, indawo yokusebenza eklwetshiwe, esetshenziselwa ukukala
ubuqotho kanye neziqu zendiza futhi ziqondise ukuhlolwa nokukhanda.
ubuqotho kanye neziqu zendiza futhi ziqondise ukuhlolwa nokukhanda.
Uhlobo: i-convex, i-angle concave: 45°, 55°, 60°, 90°, 120