In the face of environmental law enforcement officers, violence can resist a series of laws. Last year was to close the door and release the dog. This year is more exaggerated. The owner directly chas..
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Process equipment network WeChat public number new revision online! Mobile phone can also use the powerful function of process equipment network. Just click on the &ldquo on the front page of the ..
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In May 9th, there were 2 factories in 1 days. The cause of the explosion, fire and accident is suspected to be related to chemical leakage. What's going on? Come on and see it!Around 14 p.m. in May 9,..
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Scientific research is like a sea, and from then on, the holiday is a passer-by.Friends around the research dog:Young children become bald uncle, youth beauty turns slovenly mother.Tucao wrote his pap..
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Plate column and packed column are two main types of distillation column. Although they are very common in distillation operation, there is a great difference between them. Tower type selection, opera..
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