Graphite crucible muaj cov yam ntxwv hauv qab no 1. Thermal stability: Tshwj xeeb tsim los xyuas kom meej qhov kev ntseeg tau ntawm cov khoom zoo rau kev siv cov graphite crucibles. 2. Corrosion tsis kam: Cov qauv zoo ib yam thiab zoo tsim ncua kev yaig ntawm cov pob zeb. 3. Impact resistance...
Nyeem ntxiv