... concrete paper 防潮纸-沥青纸，柏油纸 concrete base paper 沥青原纸 concrete coated paper 沥青涂布纸 ...
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The paper demonstrate Sinfluence of air temperature change acting to concrete box beam on the base of observation and test of hte bridge.
本文在实桥观测与实验研究的基础上，论证了大气变温对混凝土箱梁的作用。
On the base of actual bridge observation and test research, this paper discusses the temperature stress effect to concrete box girders which caused by temperature load.
在实桥观测与试验研究的基础上，对温度荷载所产生的温度应力对混凝土箱梁的作用进行了探讨。
On the base of concept about virtual assembly, this paper develops the basic environment and concrete way and method about realizing virtual assembling technical in the design of ESP parts.
在分析了虚拟装配技术基本思想的基础上，提出了在潜油电泵零部件设计中实施虚拟装配技术应用的基础环境以及具体的实施方法和途径。
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