The cleaning time was not significant, it could be regarded as system control parameter and set based on line velocity and cleaning tanklength.
碱洗时间因子不显著，可作为连续生产线调控参数，依据生产线速度和碱洗槽长度设置碱洗时间。
2
The length of the pipeline is on fire about 200 meters, fire officers and soldiers while cooling oil reserves in the tank with cold water, while fire-fighting foam.
正在着火的管道长度大概在200米左右，消防官兵一边在用冷水冷却原油储备罐，一边用泡沫灭火。
3
Remarks:Ruler length is as height of tank Please specify the height of tank, service and material of level indicator, Wall you want.