Shandong China Coal Group Instrument Branch

For those who just touch the treasure of underground metal detector, the variety of metal detector on the market is complicated, the good and the bad are intermingled, it is difficult to choose. The

Ultrasonic bathymeter is a bathymeter for measuring water in reservoirs, lakes, rivers and shallow seas. During the bathymeter, the ultrasonic transducer is placed on the water surface or in a certain

According to the "Several Opinions on Strengthening the Construction of High-Skilled Talent Teams to Promote Industrial Transformation and Upgrading Development" (Ji Ren She Fa [2016] No. 66) and "Eva

Carbon monoxide can harm our human health. If carbon monoxide poisoning is harmful, it will lead to death. So remind everyone to use gas safely. Comrades working in the factory should also pay attenti

In order to ensure the accuracy of concrete protective layer thickness detection, testers should be proficient in the performance of the instruments they use and the degree of influence of various fac

The thickness of the concrete protective layer is insufficient, and the external harmful medium easily penetrates the protective layer to reach the surface of the steel bar, causing the steel bar to r