2012-2-22 15:5The head is a part of the container (as shown in the figure on the right). According to its geometric shape, it can be divided into several types: spherical, e......
2012-2-15 15:58The Application and Production Process of High-Aluminum Refractory Materials: A Detailed Explanation
What are high-aluminum refractory bricks? Experts from Ya......
2009-1-15 9:18Bidding Agent: Shandong Huanyu Bidding Co., Ltd.
Owner Unit: Tai'an City Urban Construction Development Co., Ltd.
Registration Deadline: December 30, 2008
Loca......