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Since the beginning of this year, the party committee and government of Chaohua Town have attached great importance to the project construction work, started the project to start work, started the project to grasp the progress, effectively provided services for the enterprise, and injected n…

Arc gear pump is a positive displacement pump, the main gear, shaft, pump, pump cover, bearing sleeve, shaft seal and other components. Gear with double arc sinusoidal tooth shape manufacturing. Compared with the involute gear, it has the most prominent advantage that the tooth profile has no …

The advantages and disadvantages of water ring pump Water ring pump and other types of mechanical vacuum pump compared to the following advantages: The advantages of water ring pump (1) the structure is simple, less demanding manufacturing precision, easy processing. Water ring pump adva…

The use of powder spraying method to control greenhouse vegetable diseases has the advantages of saving labor and medicine, not increasing the humidity inside the shed, and the control effect is remarkable. Pay attention to the following four points when doing specific operations:
Fir…

vertical multistage centrifugal pump with barrel casing vertical multistage centrifugal pump sectional bell bellows lower sleeve bearing lower sleeve bearing first stage snap ring first stage collar diffuser diffuser first stage impeller retaining collar First stage impeller and above second st…