是董小姐呀
I would like to ask you a container. The internal pressure is 0.1MPa. The steam pressure i..
coco
Would you like to use -46 C for SA-516 70?..
加油beyond
If you need to use the working condition of -15 C, whether the plate needs to do the impac..
gr888
Can fluorine rubber withstand acid and high temperature..
big yang
Steel plate surface processing requirements 1D (hot rolling, heat treatment, pickling) ref..
八公山下
Where can you find the elastic modulus of the titanium material?..
张公山寨
If the tank is installed in the outdoor, the material should meet the 20 degrees Celsius, ..
张公山寨
When the thickness of austenite steel is specified in the next GB150.4, it must be 100%RT..
大菁菁
Can the metal winding pad be reused, please..
Mrs.wu
A vertical container with a skirt. The height is less than 10 meters. How to calculate..