The residual resistance factors and the depleted layer thickness of Xanthan solution decrease with injection speed increase, but recovery does not vary much.
注入速率增加时，黄原胶溶液的残余阻力系数下降，衰竭层厚度降低，采收率变化不大。
Residual stress in expansion casing is one of important factors affecting its squeezing and pressure resistance.
膨胀管残余应力是影响膨胀管抗外挤、内压强度的重要因素之一。
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