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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。
- The traffic flow system is a vehicles' gather. 交通流中的系统是一组车辆的集合。
- 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。
- Requirement: Valve must be tight against reverse flow. 要求:这种阀门对于回流必须密封紧密。
- Purpose: To test valve No. 1 for tightness against reverse flow. 目的:检测1号止回阀对于回流的密封性。
- Use a check valve to prevent reverse flow into the cylinder. 采用止回阀,防止回流入钢瓶。
- Purpose: To test check valve No. 2 for tightness against reverse flow. 目的:检测止回阀2号对于回流的密封性。
- Spring loaded for fast closure, eliminating reverse flow slam and water hammer. 负载弹簧用于快速关闭,消除逆流冲击和水锤。
- The approach flow system for Bristol Former is also analyzed and discussed. 对Bristol成形器浆料流送系统进行了分析和讨论。
- 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。
- Precision machined tilting disc and seat for tight shutoff in reverse flow direction. 精密机加工的倾斜式阀瓣和阀座,适用于逆流的紧密关闭。
- The coke formation on butadiene catalyst was studied in a flow system by means of carbon-14-labelled compounds. 在流动系统中;用碳-14标记化合物研究了丁二烯催化剂上的结焦过程.
- Never reverse flow through a regulator or rely upon it to act as a check valve. It will not perform this function. 禁止通过调整器倒流或依靠它作为止回阀。它不允许执行这个功能。
- Rinsing sector and water flow system adopt rustproof and rot-proof material. Which can bear roughly usage. 清洗区和水路系统全部采用不锈钢及耐腐蚀材料制造，经久耐用。
- Requirements: Valve must be tight against reverse flow under all pressure differentials. 要求:在所有压差下,阀门对于回流必须是密封的。
- Rinsing sector and water flow system adopt rustproof and rot-proof material,which can bear roughly usage. 清洗区和水路系统全部采用不锈钢及耐腐蚀材料制造;经久耐用.;;
- For lesion at the distal region, this flap may be modified as a distal-based flap based on reverse flow. 其适应症为近位或中位指节部位之疤痕挛缩，较远位者则可改采逆流之远位皮瓣重建。
- Rinsing sector and water flow system adopt rustproof and rot-proof material, which can bear roughly usage. 清洗区和水路系统全部采用不锈钢及耐腐蚀材料制造，经久耐用；
- Equipped with mechanical lift check feature to close valve the moment flow stops, preventing reverse flow. 配置机械提升式止回阀，当阀门出现流量停止时关闭阀门，防止倒流。
- Couette flow,a sort of flow system often found in MEMS were discussed in this paper. 主要讨论微电机系统中常见的微库埃特流动系统。
