叶轮转动一周，会在转到某一角度时，局部出现口环径向间隙的最大间隙或最小间隙。
Rotating impeller week, will go to a certain point of view, the local emergence of Sandy Bay's largest radial clearance or minimum clearance space.
围绕套管的四周360度的环型空间允许水泥完全能够密封套管与井壁。
A continuous 360-degree annular space around casing allows cement to completely seal the casing to the borehole wall.
粉末或者目力在旋转流床内，受到环隙空气浮力，旋转离心力、自身中力作用，呈环周绳股状，粘和剂或包衣液喷入料层形成真球度及高的粒或连续均匀的衣膜。
Powder or mother granule in rotated fluid-bed will undertaken the action of air flouting force in ring gap, rotating centrifugal force and grity itself and appear cycle rope strain shape.
粉末或者目力在旋转流床内，受到环隙空气浮力，旋转离心力、自身中力作用，呈环周绳股状，粘和剂或包衣液喷入料层形成真球度及高的粒或连续均匀的衣膜。
Powder or mother granule in rotated fluid-bed will undertaken the action of air flouting force in ring gap, rotating centrifugal force and grity itself and appear cycle rope strain shape.
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