To satisfy the need of high precision oil and gas resource exploration, detectors are put on the seabed during the process of field data acquisition.
为了满足滩浅海高精度油气资源勘探的需要，在野外资料采集过程中，将检波器沉放到海底。
As its complex hydraulic system and high precision control, LS and other control lines must provided enough oil for control device demand.
由于其液压系统相对复杂，控制精度高，所以对LS等控制管路，必须提供足够的油液，以满足其控制要求。
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.
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。
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