问题
填空题
常用手用锯条的齿距有1.4、1.2、1.1mm等几种,1.4mm为()齿,1.2mm为()齿,1.1mm为()齿。
答案
参考答案:粗、中、细
常用手用锯条的齿距有1.4、1.2、1.1mm等几种,1.4mm为()齿,1.2mm为()齿,1.1mm为()齿。
参考答案:粗、中、细
“Reading makes a full man” (Bacon, 1597). Novels written by the writers like Jane Austen, Victor Hugo and Ernest Hemingway help us to know more about our history, culture and many other things.
小题1:When was Jane Austen born?
|