Openable roof film greenhouse is a new type double layer greenhouse, it is combined the advantages of general greenhouse, shading house, net house, and use folding flexible covering material prevent rain and wind. Companied with shading system, the greenh
Large Liquid Air Separation Plant (ASP) produce liquid oxygen, nitrogen and argon through a combination of gas compression, adsorption purification and cryogenic distillation.
The manual and operation instructions must be read carefully,And to comply with the provisions of the above documents,So that the best function of the detector can be played.