立柱配有自润滑系统，不需人工加油，提高了机器的使用寿命。

Thee pilar equipped with self-lubricating system doesnneed any hand lubrication, the machine usage life hence is improved.

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焦炉地下室高炉煤气考克人工加油困难，同时受到粉尘、盐类腐蚀出现开关困难及泄漏煤气的现象。

One set of automatic lubricating pump was added in basement of coking furnace to solve problems: difficult oiling by man, and difficult switching due to the corrosion from dust and salt, and gas leak.

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