装卸船作业过程中,舱盖密闭不严;管路发生油品、液烃泄漏事故。
The hatch cover is not sealed closely in the process of ship loading and unloading ; oil and liquid hydrocarbon leakage appears on pipeline .
天津港装卸船生产线作业效率研究
The Research Report on the Efficiency of TianJin Port Loading and Unloading Assembly Line