Lightning rods on general buildings can only prevent direct lightning strikes ......
“In October, the profit of the whole industry was at the lowest level in history. The profi ......
1) The workpiece should be inspected before painting. The surface should be trimmed with tools and ......
Nowadays, the market competition is becoming more and more fierce. China's hardware tools mar ......
In November 2011, the China Manufacturing Purchasing Managers Index (PMI) issued by the China Fed ......
The rapid development of China's hardware industry is a sign that China's hardware indust ......
The Ministry of Industry and Information Technology released the 2011 China Economic Operation Fa ......
The cereal feed or granule batch is heated in a high temperature air of 160-187 ° C for 1-2 minu ......
At present, China's plastic mold industry is becoming larger and larger, a ......
Experiences of using gibberellin and cytokinin to preserve fruit In the early ......
Model NO.: GW-0010 ......
Effect of pesticides on fruit trees After pesticide application, some of them ......