研究结果表明 ，采用高压高速射流技术 ，可以切割破岩、减轻近井地带应力集中和穿透近井污染带 ，其结果可以使油井获得增产增注。
The stimulation mechanisms of oil well oriented from the deep-penetrating perforation with high-pressure water jet were comprehensively investigated. Three main aspects of this technique be…
电弧：高压切换产生的RFI(射频干扰)可能会干扰高速逻辑电路。
Arcing: The RFI (radio frequency interference) generated by high voltage switching may disrupt high speed logic circuits.
聚氨酯发泡机工作原理有高速叶轮型、高压空气型、鼓风中低压型等三类。
Thee working principle of polyurethane foaming machine has three kinds, such as high speed impeller type, high pressure air type, low pressure type and so on.
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