Under the action of fluid push, elastic rubber ball runs as a piston the volume tube.
弹性橡胶球在流体推动下, 象活塞一样在体积管内运行.
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The mid-19 th century, Europeans mastered the rubber, which can only make the bouncing ball.
19世纪中叶, 欧洲人掌握了橡胶技术之后, 才做出了能弹跳的球.
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This paper stated the application of rubber lining on ball mill in lowering noise.
本文论述了球磨机橡胶衬里在降低噪声中的应用.
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介绍了采用自动橡胶球阀的浮动式滗水器设计原理和设计要点,并详述了完全国产化生产的大型浮动式滗水器在实际运行中的性能。
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