gravel packing

短语词组

短语

• horizontal gravel -packing 水平井砾石充填
• gravel -packing sand-control 充填防砂
• area of gravel -packing 充填区
• high -pressure gravel-packing and sand-preventing 高压砾石充填
• flow -type gravel packing 循环式砾石充填
• tside casing high -pressure gravel packing 管外高压砾石充填
• low -pressure gravel squeeze packing 低压挤压砾石充填
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