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steel pipeline-up and weld
释义
steel pipeline-up and weld
Encyclopedia
工学
【管道施工】
释
steel pipeline-up and weld
钢管组装焊接
对待焊管口进行清理、坡口检查及修整、组对并按规定焊接方法完成焊接的整个过程，是管道施工的一道工序。
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on-orbit control
on-orbit liquid and gas separator technique
on-orbit telemedicine
on-orbit wastewater treatment technique
on-orbit water management system
On Origin of Regular Scripts
Ono Seiichiro
Ono Takash
O-notation
Ono Tozaburo
On Painting
On Parting
On Penetrating the Transformations Based on the Charts of the Book of Changes
On Plague Diseases
On Poetic Forms and Patterns
On Poetics
On Poetry
On Poland
On Policy
On Political Factions
On Practice
on-premise standby equipment
ONR
On Records Movement
on resistance
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更新时间：2025/3/1 3:30:34