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YYTZ28-3/ 4 Feb. 10, 2015 0:36:13
YYTZ28-3/ 4 power pack: About 750 kg weight, power consumption about 32 degrees per hour. And the Yunnan Tin Group used this model for the main tunnel boring, has been complete the tunnel up to 3....
See more »The modern society, the corporation s efficiency competition is the quotation of the management level and the science and technology. Dare to discard, boldly out of the old inefficient....