A、pilot valve oil pressure
B、speeder spring force
C、compensation needle valve clearance
D、centrifugal force on the flyweight
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A、pilot valve oil pressure
B、speeder spring force
C、compensation needle valve clearance
D、centrifugal force on the flyweight
时间：2022-01-04 07:57 关键词： 船舶电气与船舶安全