井口电缆穿越器是电潜泵采油井口上用于贯穿油管挂和上法兰，并连接电潜泵和井上电源的一种装置。
The wellhead cable penetrator is a kind of device for penetrating the tubing hanger and upper flange to connect the electric submersible pump and surface power at the production wellhead of ESP.
结合热连轧技改工程实际，介绍了顶涵技术在电缆隧道穿越现有建筑物地基土施工中的应用。
Combined with practical reformation project the application of jacked culvert technology is introduced for the cable tunnel passing through the foundation of existed buildings.
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