折光指数检测器(RID)是一种通用型的检测器。它是通过连续监测参比池和测量池中溶液的折射率之差来测定试样浓度的检测器。( )
参考答案：对
The wounded soldier died ______I had a chance to know his name and family .So I can never give regards to any of his family or relatives.
A．after
B．while
C．until
D．before
08-475道岔捣固车的发动机输出功率为350KW。
