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- polish rod clamp 光杆吊环
- Effects of Polished Rod Clamps on Polished Rod Fatigue Life 光杆卡对光杆疲劳寿命的影响
- All mantles are double fused and include a single support rod clamp that accepts a 1/2" rod. 所有加热套带有双保险丝和一个可插入1/2英寸支撑杆的单个支撑杆夹。
- crank connecting rod clamp screw 曲柄连杆夹紧螺丝
- The new assembly can make the joint of the polished rod pass through, therefore can meet the need of new oil production technology. 这种密封盒可以使比光杆杆体直径大得多的光杆接头通过,能满足新的采油工艺需要。
- The polished rod fishing tool is a new type of fishing tool and is mainly used to fish long slim, not heavy rod type fishes. 光杆落物打捞器是一种新型打捞工具,主要用于打捞重量较轻的细长光杆式井下落物(如测斜仪器、测井仪器等),详细介绍了该工具的结构、工作原理及使用注意事项。
- The unit horse head polished rod close to beam suspension gravity working point .Therefore, while pump holddown beam bending moment so small that will not cause beam broken. 本机驴头悬点距游梁吊重力作用点距离很短,所以,卡泵时游梁弯矩小,不足以造成折梁。
- Give the table a good rub with this polish. 用这上光剂把桌子好好擦一擦。
- The wood is held in position by a clamp. 木头用钳夹固定住了。
- Kinematic parameters of different types of pumping units, including the displacement, velocity and acceleration of the polished rod and the torque factor can be calculated easily and accurately by using this method. 为此,根据几何关系和运动特点,建立了运动学模型,提出了异形游梁式抽油机运动参数的求解方法。
- According to the static and running parameters of rod pumping wells, the methods of simulating dynamometer cards of the polished rod and pump on the basis of wave equation were setup. 摘要根据油井的静态与动态参数,建立了以波动方程为基础的抽油机悬点与泵示功图的计算机仿真模型。
- Four years of college gave her considerable polish. 四年的大学教育使她更加完美。
- Shoot! I forget to take off my nail polish. 糟糕!我忘了擦掉指甲油。
- A hot plate will spoil the polish on this table. 热盘子会毁坏桌面的光泽。
- Clamp these two pieces of wood together. 把两根木头钳紧。
- Would you polish up the article a bit? 你把文章再润色一下好吗?
- I bought a new fishing rod last Sunday. 上星期日我新买了一个鱼竿。
- You should use wax polish on wooden furniture. 你应在木制家俱上打上蜡。
- I'll have to polish up my Spanish before I go to Spain this summer. 在我今年夏天到西班牙去之前,我得提高一下西班牙语。
- The movable target on a leveling rod. 视准器水准尺上可移动的目标