目的：检测1号止回阀对于回流的密封性。
Purpose: To test valve No. 1 for tightness against reverse flow.
目的：检测止回阀2号对于回流的密封性。
Purpose: To test check valve No. 2 for tightness against reverse flow.
随后对影响劳动力回流的个体特征进行了实证分析。
Then make an empirical analysis on the individual characteristics affecting labor return.
结论吻合掌侧静脉可满足指尖再植时静脉回流的需要。
Conclusion Anastomosed palm vein could meet the need of vein circulation.
提供成熟、可靠、环保的无铅回流技术。
To provide the steady, reliable and environment protection lead-free reflow technology.
最明显的是，使用无铅锡膏必须提高回流焊温度。
The most obvious is the necessity for increased reflow temperature.
回流页面以适合屏幕或使用完整的页面布局。
回流过程依赖于温度曲线的设定。
The reflow process relies on the temperature profile setting.
人生就像一条奔流不息的江河，永远没有回流。趁年轻，来一场说走就走的旅行。
Life is like a running river, never return. Take advantage of the young, a trip to say go.
静脉畸形的治疗应根据部位、大小和回流速度选用不同的治疗方法。
The treatment of venous malformation should be based on the location, size and return rate.
热血的青春，挽不回流淌的岁月！
研究了影响中心回流区的主要因素。
The main factors which affect the center reflux area are investigated.
要求：在所有压差下，阀门对于回流必须是密封的。
Requirements: Valve must be tight against reverse flow under all pressure differentials.
悲伤唤不回流逝的时光。
在具有低质量流量的过程中，排气管内部可能会发生局部回流。
During the process of low mass flow, local refluence may occur in the exhaust manifold.
管壁附近存在明显的回流再附区；
管壁附近存在明显的回流再附区；
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