On August 8th, a massive debris flow hit the Zhouqu County of Gannan Tibetan Autonomous Prefecture in Gansu Province, causing huge losses in the lives and property of the local people. To date, more than 1,200 people have been killed and more than 400 missi…
(1) The embossed shaft should not be separated before the aluminum foil is embossed so as not to damage the paper roll.
(2) After driving, the embossing roller can be pressurized when it reaches the …
Last year, two steel 265 square meters sintering machine desulfurization projects were officially launched. After the project is put into production, it can reduce 10,543 tons of sulfur dioxide and 516 tons of smoke and dust. This is one of the major mea…
1 The hanger section is not large enough;
2 Hanging material is not suitable (containing a large amount of Mg, Cu and other metals).
Approach:
1 increase the cross section of the hanger;
2 Replace the material of the hanger with pure alu…
The two reclamation bills signed by California governor Jerry Brown on October 11, 2011 in Sacramento, California, are expected to promote the increase in recycled material recycling volume, and at the same time help promote the construction of plastic recy…
Students, do you think these words are familiar? If so, beware! The 20 classic quotations that make up the decoration make you understand the inside stories contained in these words.
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