研究专用装置的设计要领等关键技术问题，并进行现场灭火试验。
The results of the fire-fighting tests indicate that this technique can increase fire fighting efficiency obviously and is much better than spraying fire-fighting method.
另外还要带上桶盖密封圈、湿麻袋、少量沙子，以及专用扳手、干粉灭火器等，以备不时之需。
Besides, lid seal, wet sacks, a small amount of sand, and the special wrench, dry powder extinguishers are also needed for expectation.
另外还要带上桶盖密封圈、湿麻袋、少量沙子，以及专用扳手、干粉灭火器等，以备不时之需。
Besides, lid seal, wet sacks, a small amount of sand, and the special wrench, dry powder extinguishers are also needed for expectation.
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