... pumping jack 多井联动抽油简易抽油架; 支架; 抽油机 收藏 Jack Oil 管架; 顶轴油 收藏 oil jack 油层; 抽油装置; 油压千斤顶; 油压千斤项 收藏 ...
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Maintenance of jack oil pump 顶轴油泵检修
oil jack [机] 油压千斤顶 ; 液压千斤顶 ; 抽油装置 ; 千斤顶
Fender oil jack 汕压式护木
Oil jack fender 油压式护木
oil pumping jack 抽油机 ; 抽油机上
jack-up oil rig 自升式石油装置
portable oil jack 携带式油压千斤顶
pressurized oil jack 油压千斤顶
oil l jack 油压千斤顶
First, rub your hands with oil and then break open the jack-fruit.
首先，用油搓你的手，然后打开菠萝蜜。
The working principle is similar to that of the ordinary hydraulic cylinder, with a manual jack, Jack is also the simplest oil cylinder.
工作原理与普通的液压油缸基本相似，拿一个手动千斤顶来说，千斤顶其实也就是个最简单的油缸了。
John told Jack to hold onto his oil shares.
约翰叫杰克不要卖掉石油股票。
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