水桶爆破法是根据接触爆炸的作用原理，利用水作为背压介质，对薄型结构进行控制爆破的一种方法。
Bucket blasting, which is based on the principle of touch blasting and takes water as a backpressure medium, is a controlled blasting method for thin plate structures.
料腿则起着对产生的相当大的背压加压密封作用。
Diplegs play an important role as pressure seals against the considerable back pressure generated.
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