带定位护桥的内径百分表，其定位护桥在任何位置时的接触压力，应接近活动测头的测力。
参考答案：错
基本通知音文件的格式是（）
This book is a ______ of radio scripts, in which we seek to explain how the words and expressions become part of our language.
A．collection
B．publication
C．volume
D．edition
