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... sealing performance when the boom cylinder has oil leakage, weak lifting power, pressure loss, slow boom movement, or
unstable boom holding performance. The boom cylinder works under
heavy hydraulic load d uring lifting, digging, loading, trenching, and
... is one of the core hydraulic components of an excavator. It
distributes hydraulic oil flow to the boom, arm, bucket, swing, travel, and other working
functions, helping the machine respond correctly during digging, lifting, loading, trenching, and heavy
