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- Series 774X Double Check Valve Assemblies are designed to prevent the reverse flow of polluted water from entering the potable water system. 系列747双止回阀总成用于防止污水回流进入饮用水系统中。
- Series774 Double Check Valve Assemblies are designed to prevent the reverse flow of polluted water from entering into the potable water system. 系列747双止回阀总成用于防止污水回流进入饮用水系统中。
- Series774 XDCDA Double Check Detector Assemblies are designed to prevent the reverse flow of polluted water from entering the potable water supply. 系列747XDCDA双止回阀检测器总成用于防止污水回流进入饮用水系统中。
- The effects of moisture are apparent on the forming of the blocked reversal flow in the upslope and the reversal flow in the lee of the mountain. 小山脉地形降水主要发生在山脉的迎风坡，表现出典型的迎风降水和背风雨影特征。
- And the output rectifier diodes can commutate naturally, avoiding voltage oscillation and voltage spike caused by the reverse flow of primary current. 输出整流管能够自然换流，避免了反向恢复造成的电压振荡和电压尖峰。
- Furthermore, the main reason of the axial backmixing of the liquid is the liquid backflow which induced by the reverse flow of the bubbles. 计算结果表明，在逆流操作中液相轴向返混主要是由于气泡的逆向运动诱导产生的液相回流引起的。
- The simulated results show that the proposed schemes can deal with the rarefaction waves, shocks, the reflected shocks, the reverse flows and the dry/wet fronts very well. 经由模拟结果显示，本文之算则能够正确地模拟出膨胀波、震波、反射震波、回流以及乾湿交界波前等水流现象。
- It is mandatory to prevent the reverse flow of fire protection system substances, i.e. glycerin wetting agents, stagnant water and water of non-potable quality from being pumped or siphoned into the potable water line. 这种装置强制性防止消防系统物质，如湿甘油剂，停滞水和非饮用级的水通过泵吸或虹吸进入饮用水系统中。
- The reverse of the coin was stamped with an eagle. 硬币的反面压印的是一只鹰。
- Children's shoes aren't cheap quite the reverse. 儿童的鞋并不便宜--反而更贵。
- Furthermore, the horseshoe shape vortex system occurred to the upstream of the jet exit and the layer structure of vortexes occurred to the wake of the reverse flow region downstream of the jet are also investigated. 另外，观测到射流喷口上流的马蹄涡系以及射流逆流区下游尾迹区旋涡的层状结构形式。
- According to the basic characteristics of solute migration on chromatographic columns , eluting curve expression has been obtained under the conditions of balance chromatography without considering the reverse flow. 根据溶质在色谱柱中迁移的基本特征,在平衡色谱和不单独考虑逆向流的简化情况下,得到了流出曲线的表达式。
- It is mandatory to prevent the reverse flow of fire protection system substances, i.e., glycerin wetting agents, stagnant water and water of non-potable quality from being pumped or siphoned into the potable water supply. 这种应用强调必须防止下列消防系统物质，如甘油，润湿剂，积滞水和非饮用级别的水由于泵吸或虹吸作用回流到饮用水供应系统中。
- Torsion spring checks shall have replaceable elastomer discs and in operation produce drip tight closure against the reverse flow of liquid caused by backpressure or backsiphonage. 扭力弹簧止回阀应该有可更换合成橡胶阀瓣，并且在工作时对于反压力或反虹吸产生的流体回流能够产生防滴漏密封。
- I'm trying to prevent the reversion of my garden to nature. 我正在试图防止我的花园返回一片荒芜的自然状态。
- The traditional flow theory of single-acting vane pump does not take the compressibility and the reverse flow of the oil in the discharge port through the relief groove into account. 摘要由于单作用叶片泵流量特性的传统分析方法没有考虑油液的可压缩性和卸荷槽回冲流量的影响，由此得出的结论与实际情况相差甚远。
- Exocytosis is the reverse of endocytosis. 出胞作用是内容作用的逆转。
- The reverse of the coin is stamped with an eagle. 硬币的反面压印的是一只鹰。
- The reversion frequency is increased by the addition of mutagents. 逆转的频率靠加入诱发变因素而增加。
- Telophase is roughly the reverse of prophase. 末期大致是早期的逆向。
