By analysing principle, hydraulic pressure, seal, the feasibility of oil pressure method about main gear in striking refinement vanadium steel converter are discussed.
通过对油压法的原理、液压力、密封等进行分析，阐明油压法在提钒转炉大齿轮拆除中的可行性。
The oil pump drive gear oil seal is damaged, the air into the hydraulic system;
油泵主动齿轮油封损坏，空气进入液压系统；
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