bull gear-凯发app
as a driving gear, bull gear is the key to make the rotor system steady.
as a driving gear, bull gear is the key to make the rotor system steady.
simply removing the gear cover can check all moving parts. the main component parts like bull gear, pinion gear, shaft seal, bearings, etc. can be inspected easily and in short time. there is no need for removal other parts like air and water piping etc.
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