Frequent leakage of mechanical seal of quenching oil circulating pump was a hard problem in ethylene production.
急冷油循环泵的机械密封频繁泄漏是困扰乙烯生产的老难题。
The case of recoiler is used as an oil tank, on which the lubrication oil pump is mounted for circulating lubrication.
技术改造的关键是手油泵、油泵及传动箱总成的设计。
The case of recoiler is used as an oil tank, on which the lubrication oil pump is mounted for circulating lubrication.
技术改造的关键是手油泵、油泵及传动箱总成的设计。
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