通过算例论证了淹没环境下，实现气体保护层磨料水射流的可行性。
The feasibility of realization of AWJ with gas protection layer in submerged water is confirmed by computational example.
针对石油工程生产需要，在非淹没、淹没以及有围压存在的条件下，对磨料射流切割油井套管进行了实验研究。
The flow patterns close to the non-submerged spur dikes are discussed on the basis of flume experiment.
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