单选题Which of the following items can be used as a discharge lamp？（）A Halogen lampB Light Emitting Diodes （LED）C Fuser lampD Cleaning roller
题目
单选题
Which of the following items can be used as a discharge lamp？（）
A
Halogen lamp
B
Light Emitting Diodes （LED）
C
Fuser lamp
D
Cleaning roller