The compilers agreed upon a division of the textbook into twelve units.编写者都同意把教科书分成十二个单元.It is not just a textbook for professional diplomats. The lay reader will enjoy the anecdotes.它不仅仅是职业外交家的教科书，里面的轶事趣闻外行的读者也会喜欢。The h...
预先配页同样对一些机器装订的活件不利.On the same page advance with some machines manageable size live piece.配页办法及道理配页又分为配书帖和配书芯.With page method with the page divides with books or book distribution.做这样工作的机器,称为配页机.A machine performing thi...