文章通过现场观测、模型试验、理论分析等手段和方法对该问题进行了初步研究探讨，提出了船闸闸门的防冻防冰措施方案。
According to the field observation, model test and theoretical analysis, the schemes for anti-icing method of ship lock gate are put forward in this paper.
采取的管线保温，加防冰剂等措施受到一定限制。
Such measures as pipeline heat preservation and antifreeze increase are confined.
为此对冰堵问题进行了实验研究，探讨了成品油管输中的结冰机理，并提出了防冰堵的措施。
Experimental research on such problem is conducted, ice freezing mechanism is discussed, and prevention measures are given.
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