... 密封件公司 l' unite hermetique; unite hermetiquel' 套管密封件 casing seal 橡胶密封件 rubber seals ...
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Flexible waterproof casing seal 柔性防水套管密封圈
lead seal casing patch 铅封式套管修补器
seal casing 密封盖
lead seal casing patch tool 铅封式套管修补器
gas seal casing 气体密封套
slips seal casing hanger 卡瓦密封套管悬挂器
Guarantee special thick wall casing to put down successfully and improve reaming after drilling technology to seal quality of salt layer.
保证特厚壁套管顺利下入和提高盐膏层封固质量的钻后扩眼技术。
Conventional connector for casing string can't meet the demand of seal and connection in solid expandable tubular and presented a new thread structure for an expandable casing connector.
传统的套管接头不能满足连接与密封要求，并设计出了一种新型的膨胀连接螺纹结构。
PW, PWF mainly by the pump cover, pump casing, impeller, shaft seal, shaft, and bracket the composition of such components.
PWF主要由泵盖、泵壳、叶轮、轴封、轴、和托架等零部件组成。
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