The cricket dared not go out these days because it found a strange beast in the forest. It said to its partners, "you 'd better not go out. I...
There is a little monk who works as a bell in a famous temple.He thought that he could hit the bell once in the morning and once in the evening. If it...
1. The relationship between welding process stability and specification matching1.1 On the premise of ensuring good peripheral system (wire feeding a...
There is a person who wants to hang a picture. He has nails but no hammer. The neighbor had a hammer, so he decided to borrow it from the neighbor.At ...
1. What is reflux ratio? What effect does it have on distillation? Answer: reflux ratio refers to the ratio of the amount of downflow liquid and the ...
The spring backs to the earth, and grass grows and warlords fly, it is "March 8th" International Women's day comes. In order to commemorate this festi...
Good news came from Shandong on January 13, 2017. On the occasion of the coming of the new year, DEAR air separation and Shandong Kenli Petrochemical ...
A couple strolled around the shopping mall. The woman took a fancy to a set of high-end tableware and insisted on buying it. Her husband was too expen...
In 1858, a rich family in Sweden gave birth to a daughter. However, before long, the child got sick, and his feet were totally paralyzed and couldn...
In a fierce battle, the captain suddenly found an enemy plane diving down to the position. As usual, when he found the enemy plane diving, he would li...
It was in summer, and the temperature continued to be hot in the past few days. The leaders of the company cared about the employees of the company wh...
A new disciple came from the stunt team. The coach began to teach him when he was practising. He always fell down without walking a few steps, and rep...
