Tips for using the sprinkler

  The purpose of the sprinkler is to sprinkle water on the road surface and flush the road surface to remove dust and clean the road surface. In addition, it is also used to irrigate flowers and trees used for greening, to increase the use of water for co ....

Why Modern Bridges Cause More Suspension Bridges

Compared with axial tension, bending is an extremely low-efficiency bearing. To a certain extent, improving structural efficiency is to convert bending into tension or pressure as much as possible. If you can do as much as possible to reduce the weight of the structure, it would be even mo ....

The first crew skills competition was held in Qingdao

The cable was thrown up to 40 meters by hand, and the lifeboat was only 1.7 meters in 17 minutes. Yesterday, Shandong Province’s first crew skill competition was held in Qingdao. From the 17 port and shipping units and maritime colleges in the province, there were more than 200 crew represen ....