Hot-rolled steel pipe and cold-rolled steel pipes are steel or steel plate forming process, which has a great influence on the microstructure and mech...
BJM flat anchorage:
BJM flat anchorage is in vertical space in the structural system of prestressed tensioning device is small (such as bridge panel ...
Foam concrete used for floor heating thermal barrier, not only has a low thermal conductivity, high compressive strength, anti-aging, no combustion, c...