However, there exist two unfavour factors, which are uneven steam injection profile and channeling, to affect the performance of steam soaking.
蒸汽吞吐和蒸汽驱是目前稠油开采的主要方法，吸汽剖面不均匀、汽窜是影响蒸汽驱开采稠油的主要问题。
Effects of different cooling rates and uneven mold temperature on the residual stress inside injection molded parts are studied with the help of numerical methods.
采用数值方法研究了不同冷却速率、不均匀模壁温度对塑件残余应力的影响。
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