对于JT1-CZ2000型机车信号的非点灯信号,采用()输出方式。
A、变压器
B、光耦
C、直接
D、继电器
参考答案:B
-- Would you like to go to the movies with me?
-- _______.
A.Yes, I would.
B.I’d love to.
C.Thank you.
D.It doesn’t matter.
料箱架空应调整产品的固含量。