It's terrible that there is no standard, because there's nothing to restrict its specifications, so we won't know whether it's right or not, in a word, it's still very dangerous. For those who haven't

The rock mucking loading machine is a rock loading machine with single bucket, front loading and back unloading, and moving on the track. Its purpose is to load the rock or ore from blasting and cavin

In order to further strengthen the social force of caring and caring for veterans, the party committee and government care and care were sent to the hearts of each veteran to enhance the pride, respec

On the morning of January 11, Shao Wei, Chairman of the Qilu Culture and Trade Association of the United Kingdom, Executive Vice Chairman of the British Chinese Chamber of Commerce and Industry, Consu

On January 8, Liu Bingbing, a reporter from Shandong TV Station, Han Chao, Head of the professional capacity building section of the Jining Human Resources and Social Security Bureau, Liu Chao, Deputy

When using tunnel mucking machine, before the slag is ejected, the top and bottom of the slag should be knocked to achieve the "three inspections" (check the tunnel and the working face top and top; c