Each manual shall carry a list of Chapters or Sections contained in it
A.每本手册应包含有一份章节清单 B.每本手册都列有目录 C.每本手册都标明章节或其中各部分正确答案A
Each manual shall carry a list of Chapters or Sections contained in it
A.每本手册应包含有一份章节清单 B.每本手册都列有目录 C.每本手册都标明章节或其中各部分正确答案A