The radiated sound field of ring plunger is analyzed.
研究了环状活塞声源辐射声场的特性。
Based on a lot of experimental analysis and field tests, the states of bubble flow, plunger flow, ring film flow, fog flow lied in gas-water phases in wellbore are summarized.
本文通过几年来大量的实验分析和现场试验，总结出气水两相在井筒内主要存在气泡流、柱塞流、环膜流、霉状流。
The main bearing and each dial are driven by electromotor of main machine through reducer, and Numbers of roller which are rolling in the ring, which are driven by dial through plunger.
主机电动机通过减速器带动主轴及各层转盘旋转，转盘通过柱销带动几十个环辊在磨环滚道内滚动并旋转。
Like the TK12, the TK15 comes with both a pocket clip and "cigar grip ring" which allows a better grip when holding the flashlight like cigar or plunger - both the clip and grip ring can be removed.
喜欢TK12 TK 15来，一种与口袋里夹和“雪茄抓地力圈”，它允许一个更好的控制当拿着手电筒喜欢雪茄或顶针控制包括夹和戒指可以去掉。
A rectangular sealing ring and a plunger dust cover are provided outside of the plunger.
活塞外设有矩形密封圈和活塞防尘罩。
A rectangular sealing ring and a plunger dust cover are provided outside of the plunger.
活塞外设有矩形密封圈和活塞防尘罩。
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