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On July 14, a batch of waterproof gates is loaded in the China Coal Group's intelligent equipment manufacturing workshop and will send to a mine in Zhenxiong County, Yunnan Province. This product is a

On July 13th, a batch of mining unit hydraulic props ordered by merchants in Fugu County, Shanxi Province, and mine flatbed cars ordered by merchants in Ningxia have been loaded and shipped in the Chi

Many people do not understand the correct use of rebar detector in concrete, resulting in inaccurate final results. Today, I summarized the following points for the use of rebar detector in concrete f

With the development of the society, the increasingly high floors have brought great challenges to fire rescue. Too high floors cause ordinary fire extinguishing equipment to fail to quickly reach the

1 Preparation before use First take the instrument out of the case, connect the probe and the host during the thickness test and diameter test, connect the host to the probe and the distance measurin

In order to celebrate the 99th anniversary of the founding of the Communist Party of China, review the party’s glorious history, promote the party’s fine traditions, and enhance the cohesion and comba