Such as cylindrical roller bearings, tapered roller, needle, ring and other on-line automatic detection.
如轴承圆柱滚子、圆锥滚子、滚针、套圈等的在线自动检测。
The tapered plug or "needle" is screwed in or out of a mating orifice in the body and thus controls the effective orifice size.
其锥形插头或“针头”是阀体上配置的螺纹旋进旋出的节流道，因此能够有效控制节流面积。
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