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1)  pipe-in-pipe
管中管
1.
The deepwater pipe-in-pipe steel catenary riser is comprised of concentric inner and outer pipe,the inner pipe carries the production fluids and is thermal insulated,whilst the outer pipe provides mechanical protection,and the centralizers are spaced at certain intervals over the full length of the riser to prevent the thermal insulation material in the annulus from being crushed.
管中管钢悬链线立管具有同心的外管与内管,其外管提供机械保护,内管提供油气通道,内、外管之间按照一定的距离安装扶正器以保护绝热材料,在深水油气开发中具有较大的应用价值。
2)  casing [英]['keɪsɪŋ]  [美]['kesɪŋ]
管中套管
1.
Brief introduction of casing project at Ganhe reservoir water release tunnel;
泔河二库放水洞“管中套管”改造工程设计简介
3)  improved pipe in pipe
改良管中管
1.
Value of improved pipe in pipe method to treat obstructed drainage tube after operation
术后引流管堵塞床旁改良管中管冲洗在临床上的应用
4)  pipe in pipeoil transmission pipeline
"管中管"输油管道
5)  centering tube
定中心管,对中管
6)  centralized management
集中管理
1.
To discuss feasibility of life-support machines’centralized management;
呼吸机集中管理的可行性讨论
2.
The centralized management and development and using of city underground pipelines.;
城市地下管线集中管理和开发利用探讨
3.
Consideration of centralized management and unified accounting for basic construction;
基本建设财务集中管理和统一核算的思考
补充资料:中注管


中注管
fountain

zhongzhuguan中注管(fountain)下注时安放于底板中央用以集中接受钢水的内衬空心耐火砖的铸铁管。有整体式和两半式两种,中国多采用前者。中注管高度高于钢锭模200一300mm,内径为150一200功m。 (孟凡钦)
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