merchant pipe 中文意思是什麼
merchant pipe
解釋
標準鍛制管-
The specimen is obtained by collecting low carbon steel pipe experienced different time in power plant and heat treatment experiment of unused same type steel. the microstructure is analyzed by metallographies, sem, epma and tem. at the same time merchant performance is also tested
在本文所述工作中,採用金相顯微鏡、掃描電鏡、電子探針、透射電鏡等分析儀器,對上述樣品的微觀組織結構進行了分析,同時對樣品的機械性能進行了測試。
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