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- Backflow phenomena in the inlet of inducer and the flange clearance were described.The cause of pressure diffe-rence between suction surface and press surface was explained. 描述了诱导轮进口及轮缘间隙处的回流现象，解释了回流现象发生的原因，即轮缘处叶片压力面和吸力面存在压差；
- Magnetism is a natural phenomenon. 磁力是一种自然现象。
- Magnetism is considered as a molecular phenomenon. 电磁被认为是一种分子运动。
- backflow phenomenon 回流现象
- But their so-called prosperity is only a temporary phenomenon. 但他们所谓的繁荣只是一个暂时的现象。
- International terrorism is not just a recent phenomenon. 国际恐怖主义并不是近年才有的现象。
- The phenomenon of cot death has yet to be explained. 婴儿猝死的现象仍然不可解。
- Four required per backflow preventer. 每个防回流阀需要四个。
- The employment problem tends to be a city phenomenon. 就业问题常常是一个城市现象。
- Then she began to observe a curious phenomenon. 这时她开始看到一个奇怪的现象。
- Winterization of backflow preventers. 防回流阀的过冬处理。
- We think of magnetism as a molecular phenomenon. 我们认为电磁是一种分子现象。
- We combat the unhealthy phenomenon. 我们同不良现象作斗争。
- In no case have I noticed that phenomenon. 我根本没有注意到那个现象。
- The phenomenon whereby a viscous substance solidifies under pressure. 膨胀凝固性一种粘性物质在压力下变成凝固的现象
- A related phenomenon is evolutionary parallelism. 另一个有关的现象是进化上的并行现象。
- For use with backflow preventer test cocks to protect from damage. 用于防回流阀测试旋塞，防止受到破坏。
- A check valve may be required ahead of the backflow preventer. 此时在防回流阀前面可能需要安装一个止回阀。
- The conflict process is a dynamic phenomenon. 冲突过程是一种动态现象。
- A child who could read at the age of one would indeed be a phenomenon. 一个一岁的孩子能阅读，会被认为是个神童。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
