本文探讨了暖通空调安装存在的问题及解决办法。
This paper discusses the HVAC installation problems and solutions.
指出了传统电阻率仪器校准存在的问题及解决办法。
Problems with the conventional calibration are pointed out and solutions are given.
介绍了叶片制造过程中组合焊接技术的应用，焊接中存在的问题及解决办法。
Combined-welding technique in blades fabrication process is introduced in the paper. The solved method for the difficulty in welding process is discussed, too.
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