This paper introduces the properties of cement additive, hollow float beads, and its application in oilwell cementing.
本文介绍了水泥外加剂——空心漂珠的特性及其在油田固井中的应用。
The drain valve is opened or closed by taking advantage of the change of liquid level of condensate water with the high-precision grinding stainless steel hollow float ball in the valve cavity.
利用高精度研磨不锈钢空心浮球在阀腔内随着凝结水的液位变化开启或关闭阀门。
Inside test tubes in his lab float microscopic, hollow spheres of fat-primitive membrane bubbles.
斯佐斯塔克实验室的试管中漂浮着微观的脂肪中空球，即原始的膜泡。
The built-in float pin rod comprises a hard and a soft slide rod, and moves only in the hollow holding handle, the bending spring, and the hollow casing for the rod body.
内置式浮动销杆又由硬体滑杆和软体滑杆组成，浮动销杆只能在空心的握柄、弯力弹簧和空心的竿身套管内移动。
By controlling the process parameters, the hollow wheel gear may be caused to rotate in the media and can be made to float at a desired level.
通过控制所述过程参数，可以使所述空心齿轮在所述介质内旋转，并且能够使所述空心齿轮浮于所需的层面上。
By controlling the process parameters, the hollow wheel gear may be caused to rotate in the media and can be made to float at a desired level.
通过控制所述过程参数，可以使所述空心齿轮在所述介质内旋转，并且能够使所述空心齿轮浮于所需的层面上。
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