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管道标志桩
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pipeline marker stake
管道标志桩
管道上方标识埋地管道与公路、铁路、河流、管道、光缆、电缆和地下构筑物等的交叉点，标识埋地管道附属设施、水工、地质灾害保护设施以及管道抢修作业点的地面标记。
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on axis point
on-axis point
on-axis three-mirror optical system
On A Young China
ONB
on-band observation
On Beauty of Seven Things
On Becoming a Person: A Therapist's View of Psychotherapy
On Biographies of Eunuchs
on-board clock
on-board computer
on-board-diagnostic
on board directly light-emitting diode package
onboard information system
on-board information terminal
on-board telescope
on-board unit
on-bottom stability of jacket
On Calligraphy
on-camera correspondent and reporter
On Canadian Poetry
Once Again on the Trade Unions, the Present Situation and the Mistakes of Trotsky and Bukharin
once primed quantity
once-through boiler
once-through boiler modulation control system
科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。
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更新时间：2026/7/3 16:38:06