伪造会计凭证是指利用涂改、挖补或者其他方法改变会计凭证的真实内容的行为。( )
参考答案:错
This is the only answer _______right.[ ]
A. which we think is
B. what we think is
C. that we think is
D. what we think it is
DDZ-Ⅱ型差压变送器检测线圈是高频振荡器的一部分,是用印制电路板腐蚀而成的平面环形线圈,圈数约()圈左右,在附近没有铝片时电感量约为()μH。