1、The motor insulation class determined by the heat-resistant insulating material used in class.
電機的絕緣等級決定于所采用的絕緣材料的耐熱等級。

2、A flange which contains insulating material to separate the metal parts.
帶有絕緣材料的法蘭，用來分開金屬部件。

3、The magnets and the heat insulating material layer are provided with a ferromagnetic sleeve barrel.
磁體和保溫材料層外有一鐵磁性套筒。