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通过采用实验室模拟进行当量测试，确定了管道焊缝超声波探伤的工艺和仪器参数，并成功应用于某电厂高压导汽管焊缝高温状态的检测。
Through laboratory simulation tests, the procedure and instrument parameters of ultrasonic testing for pipe welds were educed and successfully applied to the high temperature det...
本实用新型设计了一种由空腹式熨斗。高压水壶或高压锅，导汽管连接组成的空腹式蒸汽熨斗。
The utility model discloses an empty cavity type steam iron composed of an empty cavity type iron, a high-pressure kettle or a pressure cooker and steam guiding pipes which are connected together.
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