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What is the efficiency of the initial effect filter G3G4? The initial filter G4 has high filtration efficiency.The first effect filter G3 is for 5um dust particles,The filtration efficiency is 85%;The initial effect filter G4 is for 5um dust particles,The filtration efficiency is 90%;The primary filter is the primary filter of the air conditioning system,It is mainly used to filter dust particles above 5 μm.The primary filter has three styles: plate type, folding type and bag type.The primary filter is suitable for primary filtration of air conditioning system,It is mainly used to filter dust particles above 5 μm.The primary filter has three styles: plate type, folding type and bag type,The outer frame materials include paper frame, aluminum frame and galvanized iron frame,The filter materials include non-woven fabrics, nylon nets, activated carbon filter materials, metal hole nets, etc,The protective net has double-sided plastic-sprayed barbed wire and double-sided galvanized barbed wire.1. according
What machine is invented from an organ on an animal with more than 400 words of information? Annoying flies,It seems that the magnificent aerospace industry is not in harmony with each other,But they are closely linked to the bionic.The fly is the infamous 'smelly man ',Any place where the smell is dirty,There are traces of them.Flies have a particularly sensitive sense of smell,The smell thousands of meters away can also smell.But the fly does not have a 'nose ',What does it rely on to serve as a sense of smell?Original,The 'nose' of the fly '--Olfactory receptors are distributed on a pair of tentacles in the head.Each 'nose' has only one 'nostrils' connected with the outside world,Contains hundreds of olfactory nerve cells.If there is a smell entering the 'nostrils ',These nerves immediately turn odor stimuli into nerve electrical impulses,Sent to the brain.The brain varies according to the neural electrical impulses generated by different odor substances,It is possible to distinguis
