minor diameter of screw 螺纹小径 ; 螺栓小径
Minor Diameter Internal 内花键小径
Minor Diameter External 外花键小径
minor-diameter 小直径
minor diameter bar 小直径钻杆
minor diameter tube 小直径管
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The necessary craft is carried on the essential research design according to the need of the craft of the polymer distributor of the minor diameter of well.
配套工艺根据小直径聚合物配注器工艺上的需要进行必要的研究设计。
Therefore, a series of special expanded packers with various kinds of advantages such as minor diameter, small spacing, and high bearing pressure, and simplify operation etc.
为此研制开发小直径、小卡距、承压高、易操作的膨胀式封隔器系列，设计出适合套变井选层酸化、压裂以及薄层措施改造的多种工艺管柱。
The outer cup includes a major diameter mounting flange portion terminating in a curl, a minor diameter wear sleeve portion, and a transition portion joining the major and minor diameter portions.
外层杯包括大直径延伸段在卷曲的部分，一小直径套管磨损部分终止，并加入一个过渡的部分主要和次要直径部分。
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