请问我在用MASTERCAM XMR2的时候开始是好的过二个小时以后就会出现如下图的报警信息 " w- E( j4 I7 L4 A, a7 f<The SIM has become disconnected ' [6 @- A- K" W% v% O1 C7 x j. k
mastercam will be automatically shut) b: \ J; i/ ]- l
you will get one chance to saveyour> 2 u6 ^/ C0 Q$ F9 C$ x4 O然后就自动关闭. 2 E5 G( @8 y* k
那位大侠能帮帮我啊