05-09
When winter comes, due to the decrease of air temperature, the oil temperature and grease temperature of the main oil pump of the concrete mixing trailer pump will decrease. Therefore, when operating t…
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05-09
No matter what kind of work it is, or what kind of machine it is to operate. The first thing that must be considered is the life safety of workers. The filling pump is also a kind of common machines. W…
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05-09
Mining is one of the basic and pillar industries of Chinas national economy. There are more than 120000 mining industries in China. Mining plays a very important role in promoting national economic dev…
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05-09
Detection and discrimination of paste filler. Paste comes from paste transition, but not all pastes can transition into paste. Only when the grading of materials constituting paste meets certain condit…
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05-09
Solid waste cemented filling is a cemented filling method with mine solid waste as filling material and cement or mining solid waste as cementitious material. Metal mine tailings include red mud, phosp…
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05-09
After mining for so many years, is the tailings pond in an emergency?The design institute said fill!The environmental protection department said!The security department said!Goaf is also said to be fi…
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