bakelite造句

Bakelite is a well - known thermosetting material and it has a wide variety of uses.
电木就是人们都熟悉的热固性材料,具有多种用途.

The big black Bakelite phone rang at half past ten.
十点半的时候,外壳用胶木做的电话响了.

Bakelite lamp holder, what is bakelite , what is bakelite lamp holder?
电木,灯头, 灯座, 胶木,颜色,黑色.