The Taklimakan Desert is the largest desert in China and one of the top ten deserts in the world. It is located in the Tarim Basin of Xinjiang, and almost all of the area of 330,00...
When replacing the indenter or anvil, pay attention to the contact parts to be cleaned. After the replacement, it is tested several times with a steel sample of a certain hardness ...
In addition to the special precautions when using various hardness testers, there are some common issues that should be noted. The following are listed: The hardness tester itself...
First, the use of multi-position settings 1. The instrument should be fully charged before use, according to the sampling needs to set the sampling time, and then wave the digital ...
Due to the working environment and the nature of the garbage truck itself, many garbage truck drivers are uncomfortable in responding to the smell in the cab. Then, how to remove o...
