Through discussion on influence factors of PC box girder temperature field and temperature field features, this paper suggests test method for box girder temperature field in practice.
通过对PC箱梁温度场的影响因素及温场特点的讨论，提出实际工程中箱梁温度场的测试方法。
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。
Design of air mixture receive box and measuring accuracy wet-bulb temperature affect the measuring accuracy directly in air enthalpy difference test system.
空调器焓值法测试台中，空气接收混合箱的设计和湿球温度的测量准确度直接影响着测试精度。
Gear box test has a long testing period and require it go on under certain temperature, load.
变速器总成台架试验周期长，并且要求其在一定温度、载荷下进行。
The paper based on increased the low-constant temperature test box on the electronic universal testing machines, has finished the uniaxial load strength test of artificial freshwater ice.
通过对电子万能试验机增加低温恒温试验箱，实现了人工淡水冰的单轴加载强度试验。
To constant temperature system, heater insulator is very important, because the RAM sample test has special requirement, constant temperature box utilized dismountable and divided design style.
对于恒温系统，保温设计是非常关键的一环，由于吸波材料样品的测试有特殊要求，恒温箱的设计采用了可拆卸的分体式设计。
To constant temperature system, heater insulator is very important, because the RAM sample test has special requirement, constant temperature box utilized dismountable and divided design style.
对于恒温系统，保温设计是非常关键的一环，由于吸波材料样品的测试有特殊要求，恒温箱的设计采用了可拆卸的分体式设计。
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