ERW套管和无缝套管相比，具有尺寸精度高、焊缝韧性好、抗挤压性能好、质量易于控制以及成本低等优势。
ERW casing is applicated widely in oil and gas industry and substituted for seamless tubing for its high precision, excellent properties, easy controlling of quality and low cost etc.
改造后的计算机系统顺利实现异种机之间的通讯和控制，大幅度提高了高附近加值无缝石油套管的的生产能力。
The new system has realized the communication and control for different kinds of computers. And the production capability of seamless oil casing tube with high additional value has improved greatly.
改造后的计算机系统顺利实现异种机之间的通讯和控制，大幅度提高了高附近加值无缝石油套管的的生产能力。
The new system has realized the communication and control for different kinds of computers. And the production capability of seamless oil casing tube with high additional value has improved greatly.
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