【square_kelly】什么意思_英语square_kelly的翻译_音标_读音_用法_例句_在线翻译

square kelly

[油气] 方钻杆

分的钢管柱的总称它包括：它包括： 方钻杆(Square Kelly) 方钻杆 钻杆(Drilling Pipe) 钻杆钻挺( 钻挺 Collar ) 各种接头(Joint) 各种接头稳定器(Stabilizer)等井下工具。等井下工具。

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四方钻杆

... 转盘传动箱 rotary table drive box 四方钻杆 square Kelly 钻杆旋塞阀 Kelly valve ...

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短语

nominal size of square kelly [油气] 方钻杆公称尺寸

能源科学技术 | 机械工程

·2,447,543篇论文数据，部分数据来源于NoteExpress

The kelly bushing (KB) has an inside diameter profile that matches that of the kelly, usually square or hexagonal.

方钻杆补心的内径通常与方钻杆的外径（通常是四方钻杆或六方钻杆）相匹配。

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The kelly bushing has an inside profile matching the kelly's outside profile (either square or hexagonal), but with slightly larger dimensions so that the kelly can freely move up and down inside.

方钻杆补心的内剖面与方钻杆的外部形状(四方钻杆或六方钻杆)完全匹配，但稍微要大于方钻杆补心的尺寸，以便方钻杆能够上下自由运动。

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更多双语例句

The younger Mr. Tsarnaev allegedly told interrogators that he and his brother wanted to detonate up to six more devices in Times Square, Mr. Kelly said, including five pipe bombs and one pressure-cooker bomb similar to the two used in the attack on the marathon.

WSJ: Times Square Was a Target, Officials Say
Police Commissioner Ray Kelly was confident that the NYPD could provide the necessary security in Foley Square.

FORBES: Does A Military Trial For KSM Make Any Sense?

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