--- Did the book give the ___________ you needed?

--- Yes. But ____________ it, I had to read the whole book.

A．information; find

B．information; to find

C．message; found

D．message; finding

在动力线路上，自动开关长延时过流脱扣器因具有反延时限保护特性，故其整定值应为电动机额定电流的100%。