The dumper, also called a railroad truck dumper, is a large-scale port-specific machinery and e.......
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"Washing and drying are combined, washing my beloved clothes, eliminating the trouble of .......
In 2010, Luoyang Petrochemical produced a total of 580,000 tons of aviation kerosene, which be.......
Due to the many transmission modes of the step-type plastic optical fiber, the transmissi....... On December 13, 2017, John Deere officially announced the la.......
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