What is Prestressed Concrete
Prestressed Concrete is a kind of concrete component mainly used in construction engineering and bridge engineering.…
Prestressed Concrete is a kind of concrete component mainly used in construction engineering and bridge engineering.…
Newtechnology development of high-reliability self aligning roller bearing Thenew technology of machine tool spindle self aligning roller bearing developedby Japan Seiko (hereinafter referred to as NSK) can reduce the workload duringassembly and runn…
What are the glass microspheres used for?The actual density of the Glass Microsphere Its particle size ranges from 15 to 135 um. Its advantages include its large volume and low thermal conductivity. Other excellent properties include insulation, s…
After falling last week, international gold futures edged up on Monday, posting their second gain in seven sessions. Gold futures for April delivery rose 20 cents, or less than 0.1%, to settle at $1,929.50 an ounce on the New York Mercantile Exchange…