The gravel packing in casing is a effective method to prevent sand production.
套管内砾石充填防砂是一种行之有效的防砂方法。
Conclusion The vena cava filter implantation is a effective method to prevent pulmonary embolism.
结论腔静脉滤器置入是预防肺动脉栓塞的有效方法。
Adding antistripping agent to asphalt is an effective method to prevent water-induced damage of high-grade road.
在沥青中添加抗剥落剂是防止高等级公路水损害的有效方法。
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